Details emerge on Matt Lauer's alleged history of sexual misconduct following 'Today' firing

Following NBC News Chairman Andy Lack's announcement on Wednesday morning that Matt Lauer had been fired from NBC News, more details have emerged on the longtime anchor's alleged history with sexual misconduct.

According to a handful of journalists on Twitter, multiple outlets had been working on exposing Lauer's behavior for months. Elizabeth Wagmeister of Variety, Yashar Ali of HuffPost and the New York Times are all reportedly working on exposés that would ultimately shed light on the former "Today" anchor's past. 

SEE ALSO: Matt Lauer fired from 'Today': NBC News and more stars react

And, Ali alleges, "some top executives at NBC were aware of these stories."

"I, and other reporters, have been aware of several women who have come forward privately in the past few months," he continued. "Even before Weinstein. They weren't willing to go public though...they were terrified of Matt. Matt Lauer put the fear of God into these women. He had relationships with reporters outside NBC that he cultivated just for this purpose. They knew that."

"Lauer is among the worst I've heard about," Ali added. "Not in terms of the kind of misconduct but the way in which he manipulated these women into silence. It's evil, frightening stuff."

58 PHOTOS
Matt Lauer through the years
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Matt Lauer through the years
Matt Lauer on June 27, 1986. (Photo by Arty Pomerantz/New York Post/Photo Archives, LLC via Getty Images)
Matt Lauer gets ready to call it a day after anchoring the NBC Local News on June 04, 1993. (Photo by Jerry Engel/New York Post/Photo Archives, LLC via Getty Images)
Matt Lauer during 1997 Lexus Challenge Hosted by Raymond Floyd at La Quinta Resort & Club in La Quinta, California, United States. (Photo by Ron Galella, Ltd./WireImage)
UNITED STATES - MARCH 17: Matt Lauer (Photo by The LIFE Picture Collection/Getty Images)
Matt Lauer during 'Batman Forever' - New York City Premiere at Sony Lincoln Square in New York City, New York, United States. (Photo by Ron Galella, Ltd./WireImage)
TODAY -- Pictured: (l-r) Al Roker, Katie Couric and Matt Lauer outside the studio for The Today Show on the streets of New York City (Photo by NBC/NBCU Photo Bank via Getty Images)
Matt Lauer (Photo by Deborah Feingold/Corbis via Getty Images)
TODAY -- Pictured: Matt Lauer on Thursday Nov.16, 2017 -- (Photo by: Zach Pagano/NBC/NBCU Photo Bank via Getty Images)
MACY'S THANKSGIVING DAY PARADE -- Pictured: (l-r) Hosts Katie Couric, Matt Lauer during the 2000 Macy's Thanksgiving Day Parade (Photo by Craig Blankenhorn/NBC/NBCU Photo Bank via Getty Images)
THE 91ST ANNUAL MACY'S THANKSGIVING DAY PARADE -- Pictured: (l-r) Today Co-Anchors Savannah Guthrie, Matt Lauer - (Photo by: Eric Liebowitz/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - NOVEMBER 07: James Nederlander and Matt Lauer attend the Elton John AIDS Foundation 25th Year And Honors Founder Sir Elton John During New York Fall Gala at Cathedral of St. John the Divine on November 7, 2017 in New York City. (Photo by Nicholas Hunt/WireImage)
TODAY -- Pictured: Matt Lauer on Wednesday, November 1, 2017 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Carson Daly, Matt Lauer, Hoda Kotb and Megyn Kelly on Wednesday, November 1, 2017 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: Dolly Parton and Matt Lauer on Tuesday, October 31, 2017 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - OCTOBER 17: Norah O'Donnell and Matt Lauer during the Skin Cancer Foundation's Champions for Change Gala at Cipriani 25 Broadway on October 17, 2017 in New York City. (Photo by Gonzalo Marroquin/Patrick McMullan via Getty Images)
TODAY -- Pictured: Matt Lauer on Thursday Aug. 24, 2017 -- (Photo by: Zach Pagano/NBC/NBCU Photo Bank via Getty Images)
EAST HAMPTON, NY - AUGUST 12: Annette Roque and Matt Lauer attend Apollo in the Hamptons 2017: hosted by Ronald O. Perelman at The Creeks on August 12, 2017 in East Hampton, New York. (Photo by Kevin Mazur/Getty Images for The Apollo)
TODAY -- Pictured: Matt Lauer on Friday, Aug.11, 2017 -- (Photo by: Zach Pagano/NBC/NBCU Photo Bank via Getty Images)
SAG HARBOR, NY - JULY 3: Eric Fischl and Matt Lauer attend eBay Hosts July 4th Benefit for Sag Harbor Cinema Restoration Project at Lulu Kitchen and Bar on July 3, 2017 in Sag Harbor, NY. (Photo by Patrick McMullan/Patrick McMullan via Getty Images)
TODAY -- Pictured: Matt Lauer on Wednesday, June 28, 2017 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
WATCH WHAT HAPPENS LIVE WITH ANDY COHEN -- Pictured (l-r): Savannah Guthrie and Matt Lauer -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
WATCH WHAT HAPPENS LIVE WITH ANDY COHEN -- Pictured: Matt Lauer -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
NEW YORK, NY - MAY 26: Journalists Matt Lauer and singer-songwriter Miley Cyrus on stage during Miley Cyrus performance on NBC's 'Today' at Rockefeller Plaza on May 26, 2017 in New York City. (Photo by Gilbert Carrasquillo/FilmMagic)
NEW YORK, NY - MAY 15: (L-R) Journalists Chuck Todd, Matt Lauer, Savannah Guthrie, Megyn Kelly and Lester Holt attend the 2017 NBCUniversal Upfront at Radio City Music Hall on May 15, 2017 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - APRIL 24: Savannah Guthrie and Matt Lauer attend 2017 Matrix Awards - Arrivals at Sheraton Times Square on April 24, 2017 in New York City. (Photo by Aurora Rose/Patrick McMullan via Getty Images)
TODAY -- Pictured: (l-r) Hoda Kotb, Matt Lauer on Friday, April 21, 2017 -- (Photo by: Nathan Congleton/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - MARCH 08: Matt Lauer and Savannah Guthrie are seen waling in Midtown on March 8, 2017 in New York City. (Photo by Raymond Hall/GC Images)
TODAY -- Matt Lauer's 20th Anniversary Celebration -- Pictured: (l-r) Katie Couric and anchor Matt Lauer on Friday, January 6, 2017 -- (Photo by: Peter Kramer/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - JUNE 24: (EXCLUSIVE COVERAGE) Matt Lauer hosts an exclusive guest DJ session on SiriusXM's Classic Vinyl channel to celebrate the launch of TODAY Show Radio on SiriusXM on June 24, 2014 in New York City. (Photo by Robin Marchant/Getty Images)
TODAY -- Pictured: (l-r) Tamron Hall, Natalie Morales, Savannah Guthrie, Matt Lauer and Al Roker appear on NBC News' 'Today' show on June 13, 2014 -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
TODAY -- (l-r) Matt Lauer sits down with Pippa Middleton in her first-ever television interview -- (Photo by: Anthony Harvey/NBC/NBC NewsWire via Getty Images)
TODAY -- Pictured: (l-r) Dave Chappelle and Matt Lauer appear on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
TODAY -- Pictured: (l-r) Tamron Hall, Savannah Guthrie, Matt Lauer and Al Roker appear on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC News Wire)
TODAY -- Pictured: Matt Lauer appears on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC News Wire)
NEW YORK, NY - JULY 22: Journalist Matt Lauer and singer Celine Dion pose for a photo during on NBC's 'Today' at Rockefeller Plaza on July 22, 2016 in New York City. (Photo by Gilbert Carrasquillo/FilmMagic)
RIO DE JANEIRO, BRAZIL - AUGUST 12: (BROADCAST - OUT) Host, Matt Lauer speaks with swimmer, Ryan Lochte of the United States on the Today show set on Copacabana Beach on August 12, 2016 in Rio de Janeiro, Brazil. (Photo by Harry How/Getty Images)
TODAY -- Pictured: (l-r) Matt Lauer, Savannah Guthrie, Matt Iseman, Akbar Gbajabiamila appear on June 14, 2016 -- (Photo By: Peter Kramer/NBC/NBCU Photo Bank via Getty Images)
TODAY -- Pictured: (l-r) Carson Daly, Natalie Morales, Al Roker, Savannah Guthrie, Matt Lauer, Maddie Baillio, Harvey Fierstein on the 'Today' show on Tuesday, June 7 2016 from Rockefeller Plaza in New York -- (Photo by: Peter Kramer/NBC/NBC News Wire)
NEW YORK, NY - MAY 16: Journalists Matt Lauer and Savannah Guthrie attend the 2016 NBCUNIVERSAL Upfront at Radio City Music Hall on May 16, 2016 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - APRIL 27: Matt Lauer is seen on April 27, 2016 in New York City. (Photo by Patricia Schlein/Star Max/GC Images)
THE TONIGHT SHOW STARRING JIMMY FALLON -- Episode 0459 -- Pictured: Journalist Matt Lauer arrives on April 27, 2016 -- (Photo by: Andrew Lipovsky/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - APRIL 29: Matt Lauer at NBC's 'Today' at Rockefeller Plaza on April 29, 2016 in New York City. (Photo by Laura Cavanaugh/FilmMagic)
NEW YORK, NY - APRIL 26: Caitlyn Jenner and Matt Lauer attend the 2016 Time 100 Gala, Time's Most Influential People In The World at Jazz At Lincoln Center at the Time Warner Center on April 26, 2016 in New York City. (Photo by Kevin Mazur/Getty Images for Time)
NEW YORK, UNITED STATES - 2016/04/07: Matt Lauer attends New York City Police Foundation gala at Waldorf Astoria. (Photo by Lev Radin/Pacific Press/LightRocket via Getty Images)
TODAY -- Pictured: (l-r) Natalie Morales, Savannah Guthrie, Matt Lauer and Al Roker appear on the 'Today' show on Monday, March 14, 2016 from Rockefeller Plaza in New York -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
NEW YORK, NY - MARCH 14: NBC 'Today Show' hosts Savannah Guthrie and Matt Lauer interview Chris Martin when Coldplay perform in the rain on NBC's 'Today Show' at Rockefeller Plaza on March 14, 2016 in New York City. (Photo by Al Pereira/WireImage)
NEW YORK, NY - APRIL 21: (R-L) Savannah Guthrie and Matt Lauer interview 2016 Republican presidential candidate Donald Trump during NBC's Today Trump Town Hall at Rockefeller Plaza on April 21, 2016 in New York City. (Photo by D Dipasupil/FilmMagic)
TODAY -- Pictured: (l-r) Matt Lauer and Jordan Spieth appear on the 'Today' show on Monday, March 14, 2016 from Rockefeller Plaza in New York -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
TODAY -- Pictured: (l-r) Matt Lauer and Jennifer Lopez appear on the 'Today' show on Tuesday, March 1, 2016 -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
WATCH WHAT HAPPENS LIVE -- Pictured (l-r): Matt Lauer and Savannah Guthrie -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
NEW YORK, NY - JANUARY 18: Jack Matthew Lauer, Romy Lauer and Matt Lauer attend The Philadelphia 76ers vs New York Knicks game at Madison Square Garden on January 18, 2016 in New York City. (Photo by James Devaney/GC Images)
BEVERLY HILLS, CA - JANUARY 10: TV personalities Willie Geist, Natalie Morales, Tamron Hall, Savannah Guthrie and Matt Lauer attend the 73rd Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 10, 2016 in Beverly Hills, California. (Photo by George Pimentel/WireImage)
TV personalities Al Roker (L) and Matt Lauer arrive, at the 73nd annual Golden Globe Awards, January 10, 2016, at the Beverly Hilton Hotel in Beverly Hills, California. AFP PHOTO / VALERIE MACON / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
NEW YORK, NY - JANUARY 04: Matt Lauer is seen in 'Midtown'on January 4, 2016 in New York City. (Photo by Raymond Hall/GC Images)
TODAY -- Pictured: (l-r) Co-Anchor Matt Lauer speaks with Aerosmith singer Steven Tyler and Dr. Stephen Zeitels about having laser surgery on his vocal chords, as shown in a new National Geographic special on NBC News' Today on October 19, 2007 -- Photo by: Virginia Sherwood/NBCU Photo Bank
TODAY -- Pictured: (l-r) C-Anchor Matt Lauer speaks with actor Denzel Washington about his new film, 'American Gangster' on NBC News' Today on October 19, 2007 -- Photo by: Virginia Sherwood/NBCU Photo Bank
OHIO, UNITED STATES - JUNE 14: 'Today' show co-host Matt Lauer (R) being congratulated by school President Robert Glidden (L) for receiving his bachelor's degree from Ohio University 18 years after he was a student. (Photo by Steve Kagan/The LIFE Images Collection/Getty Images)
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"NBC was aware," Wagmeister said of her reporting. "There are multiple women we've spoken to with far-ranging accusations against Lauer."

In addition to the additional stories being worked on that will likely be published, Page Six reported on Wednesday that Lauer allegedly sexually assaulted a female NBC staffer during the 2014 Sochi Olympics. 

"This happened so quickly," a source told the outlet. "She didn’t go to the media, she made a complaint to NBC’s human resources, and her evidence was so compelling that Matt was fired on Tuesday night. The victim says she has evidence that this has also happened to other women, but so far we don’t have evidence of that."

NBC News Chairman was much more vague about the complaint regarding Lauer, saying that NBC had "received a detailed complaint from a colleague about inappropriate sexual behavior in the workplace by Matt Lauer. It represented, after serious review, a clear violation of our company's standards. As a result, we've decided to terminate his employment."

14 PHOTOS
Stars react to Matt Lauer's firing
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Stars react to Matt Lauer's firing
Matt Lauer has been terminated from NBC News. On Monday night, we received a detailed complaint from a colleague ab… https://t.co/pxSqWaDy6q
"We start this morning with this news: Matt Lauer has been terminated from NBC News." https://t.co/9g5Ou9r2K6
You are such a hypocrite it’s not even possible https://t.co/CrJnNvOoh8
Really? U can’t pick and choose the women you want to believe. Look in the mirror https://t.co/upwNX9kEKn
Matt Lauer lost his job. Charlie Rose lost his job. Mark Halperin lost his job. Glenn Thrush lost his job. Billy Bu… https://t.co/n22VQ2JP4n
Wow, Matt Lauer was just fired from NBC for “inappropriate sexual behavior in the workplace.” But when will the top… https://t.co/xvaYsbO0le
Don't let the door hit you on the way out, Matt Lauer. "Today Show" #ROSEARMY
An SNL sketch where the reporters report on their own sexual misconduct and firings but they don't know it until live prompter
Wow! #mattlauer fired over alleged #inappropriate #sexualbehavior! Yet how do we “reconcile” with the fact that… https://t.co/ko9N8nv4Ym
HMMMMM INTERESTING.....THIS MIGHT EXPLAIN THE HOSTILE INTERVIEW WHILE I WAS TRYING 2 EXPOSE THE #TRUTH....EH MATT?… https://t.co/cJq6LlHIky
Matt Lauer has been on my list for a while. It’s really too bad more Americans don’t come to my shows. I pretty muc… https://t.co/hKyPE7ndsM
Matt? Lauer? You’re joking? Right? Men have dropped their...oh, what’s the use.
Careful, now. While we all focus on Matt Lauer & Trump insinuating that another tv host is a murderer, the GOP Cong… https://t.co/ESpOB1yYCA
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"While it is the first complaint about his behavior in the over twenty years he’s been at NBC News," Lack continued. "We were also presented with reason to believe this may not have been an isolated incident."

And, if top executives at NBC News knew about the stories -- or of Lauer's behavior -- People reports that the actual employees of "Today" were completely blindsided by the developments.

"It's like a death in the family," a source told People. "Everybody is crying. No one knows what the f--k happened. It came out of nowhere. Everyone wants to know what is going on. Matt was really popular around here."

Savannah Guthrie, who also was completely unaware of Lauer's alleged behavior, delivered the news to "Today" viewers on Wednesday morning while holding Hoda Kotb's hand.

"We just learned this moments ago, just this morning," Guthrie said. "As I’m sure you can imagine, we are devastated and we are still processing all of this."

"I will tell you right now, we do not know more than what I just shared with you," she said. "But we will be covering this story as reporters, as journalists. I’m sure we will be learning more details in the hours and days to come, and we promise we will share that with you."

Matt Lauer had been a co-anchor on the "Today" show since January of 1997. 

9 PHOTOS
Who will replace Matt Lauer?
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Who will replace Matt Lauer?
Ann Curry -- Viewers were shocked and stunned when Curry was tearfully released from "Today" on air in 2012. According to reports, she had a strained relationship with Lauer, who wanted her dismissed. CEO Steve Burke allegedly told Lauer ahead of the firing, “We need to sign you so we can do Ann," and top execs reportedly celebrated with a toast after she was fired. Although it seems unlikely that the network would potentially rehash old wounds by bringing her back, it could be a popular choice with viewers, many of whom have already taken to Twitter to campaign for her resinstatement.
Megyn Kelly -- When it was first announced that she would leave Fox News for NBC, there were multiple reports of a power struggle to determine her time slot. She's now situated two hours after Lauer's 7 AM spot, but amid all the turmoil, it's possible that she'll manage to snag that top seat.
Craig Melvin -- "Today" weekend co-host Craig Melvin certainly stands a strong stance of the big promotion to Lauer's top slot. He's already a familiar face among viewers, but he lacks the negative baggage of Ann Curry or Megyn Kelly.
Willie Geist -- The "Sunday Today" host has filled in for Lauer on multiple occasions. He's seen all across the network's programming, from MSNBC's "Morning Joe" to NBC News and NBC Sports.
Anderson Cooper -- After the drama with Ann Curry unfolded, leading many viewers to express a distaste for Lauer, rumors floated in 2013 that Anderson Cooper had been approached by NBC about replacing him. However, NBC News exec Alex Wallace at the time dismissed the claim, saying, "We want [Lauer] in the ‘Today’ show anchor chair for many years to come."
Keith Olbermann -- He spent 20 years as a sports reporter before moving into political journalism at MSNBC. Just days ago, he announced he would be ending his GQ web show "The Resistance," explaining that he wanted to retire from political commentary: "No illness. No scandal. No firing. Just I've said what I've had to say," he said. However, he didn't say he wanted to actually retire, leaving open the possibility of returning via a different type of program.
Tamron Hall -- This one's pretty unlikely. Hall decided herself to leave the show, much to the disappointment of many viewers and Hall's own colleagues. She reportedly felt burned by treatment of NBC execs, who booted her from her 9 AM time slot in favor of Megyn Kelly. She could return if there's no bad blood, but there almost certainly is.
Carson Daly -- He's already on the NBC payroll as the host of "The Voice," and some took to Twitter on Wednesday to campaign for him to slide into Lauer's seat.
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