'Deadliest Catch' star Sig Hansen accused of sexually abusing his daughter as a child

"The Deadliest Catch" star Sig Hansen is being sued by his estranged daughter for sexually abusing her as a toddler. Melissa Eckstrom, 28, alleges that her crab boat captain father molested her as a child, three decades ago while he was getting divorced from her mother.

Eckstrom, who claims the abuse happened when she was 2 years old, is suing Hansen for the effects the abuse has had on her life. She has suffered from depression, suicidal thoughts, eating disorders and haunting memories since the alleged ordeal.

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The Seattle-based family attorney filed her lawsuit last year, and the case file includes a deputy prosecutor's letter from the year of the abuse that expresses doubt around whether they could prove the abuse, despite the fact that they did believe it had occurred.

See photos of Sig Hansen:

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'Deadliest Catch' star Sig Hansen
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'Deadliest Catch' star Sig Hansen
LOS ANGELES, CA - SEPTEMBER 11: Sig Hansen arrives at the 2016 Creative Arts Emmy Awards at Microsoft Theater on September 11, 2016 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)
NEW YORK, NY - MARCH 29: Sig Hansen visits at SiriusXM Studio on March 29, 2016 in New York City. (Photo by Robin Marchant/Getty Images)
NEW YORK, NY - JUNE 24: Sig Hansen attends Discovery's 30th Anniversary Celebration at The Paley Center for Media on June 24, 2015 in New York City. (Photo by Mike Pont/WireImage)
NEW YORK, NY - JUNE 24: (L-R) Terri Irwin, Rich Ross, Sig Hansen, Maureen J. Reidy, Robert Irwin, Paula Zahn, Henry Schleiff, Stacy London, Marjorie Kaplan, Bindi Irwin, and Rita Mullin attend Discovery's 30th Anniversary Celebration at The Paley Center for Media on June 24, 2015 in New York City. (Photo by Mike Pont/WireImage)
GOOD MORNING AMERICA - Captain Sig Hansen and Deckhand Jake Anderson of 'Deadliest Catch' are guests on 'Good Morning America,' 4/13/15, airing on the ABC Television Network. (Photo by Fred Lee/ABC via Getty Images)
LOS ANGELES, CA - AUGUST 16: TV personalities Sig Hansen (L) and Johnathan Hillstrand attend the 2014 Creative Arts Emmy Awards at Nokia Theatre L.A. Live on August 16, 2014 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)
NEW YORK, NY - JULY 14: Mandy Hansen and Captain Sig Hansen (R) visit the SiriusXM Studios on July 14, 2014 in New York City. (Photo by Andrew Toth/Getty Images)
HOLLYWOOD, CA - APRIL 22: (L-R) Mandy Hansen, Sig Hansen and June Hansen attend the premiere of the 10th season of 'Deadliest Catch' at ArcLight Cinemas on April 22, 2014 in Hollywood, California. (Photo by Earl Gibson III/WireImage)
LOS ANGELES, CA - SEPTEMBER 15: (L-R) Florence Colburn, Keith Colburn, Sig Hansen and June Hansen attend the 2013 Creative Arts Emmy Awards at Nokia Theatre L.A. Live on September 15, 2013 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
LIVE WITH KELLY AND MICHAEL -7/4/13 - Today on LIVE, the hosts learn the ropes from Deadliest Catch Captains Sig Hansen (left) and Keith Colburn (right) on 'LIVE with Kelly and Michael,' distributed by Disney-ABC Domestic Television. (Photo by David Steele/Disney-ABC via Getty Images) SIG HANSEN, MICHAEL STRAHAN, KELLY RIPA, KEITH COLBURN
AUSTIN, TX - MARCH 09: TV personalities Sig Hansen, Keith Colburn and Jonathan Hillstrand pose with a fan (2nd from R) at Deadliest Catch's Twitter For Tough Guys during the 2013 SXSW Music, Film + Interactive Festival at Hyatt Regency Austin on March 9, 2013 in Austin, Texas. (Photo by Hutton Supancic/Getty Images for SXSW)
AUSTIN, TX - MARCH 09: Captain Sig Hansen speaks during the 'Deadliest Catch's Twitter For Tough Guys' panel at the Hyatt Hotel during the South By Southwest Interactive Festival on March 9, 2013 in Austin, Texas. (Photo by Gary Miller/FilmMagic)
WHO WANTS TO BE A MILLIONAIRE - Show #150 - Sig Hansen (Cpt. of the Northwestern) and Keith Colburn (Cpt. of The Wizard), both of Discovery Channel's 'Deadliest Catch' play for Seattle Children's Hospital on WHO WANTS TO BE A MILLIONAIRE, airing Friday, April 26 across the country and distributed by Disney-ABC Domestic Television. (Photo by Lorenzo Bevilaqua/ABC via Getty Images) SIG HANSEN, MEREDITH VIEIRA, KEITH COLBURN
LOS ANGELES, CA - SEPTEMBER 15: Sig Hansen, wife June Hansen and daughter attend the 2012 Primetime Creative Arts Emmy Awards at Nokia Theatre L.A. Live on September 15, 2012 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
HOLLYWOOD, CA - AUGUST 25: Captain Sig Hansen of the Discovery Channel's 'Deadliest Catch' attends a meet and greet at Seminole Casino on August 25, 2012 in Hollywood, California. (Photo by Vallery Jean/Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- (EXCLUSIVE COVERAGE) -- Episode 4277 -- Pictured: (l-r) Deadliest Catch's Capt. Keith Colburn and Capt. Sig Hansen on June 26, 2012 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Episode 4278 -- Pictured: (l-r) Deadlist Catch's Sig Hansen during an interview with host Jay Leno on June 26, 2012 -- (Photo by: Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
HOLLYWOOD, CA - JUNE 18: Sig Hansen and wife Juna Hansen arrive at the World Premiere of Disney Pixar's 'Cars 2' at the El Capitan Theatre on June 18, 2011 in Hollywood, California. (Photo by Gregg DeGuire/FilmMagic)
THE TONIGHT SHOW WITH JAY LENO -- (EXCLUSIVE COVERAGE) Episode 4071 -- Pictured: (l-r) Co-host 'Today' show Kathie Lee Gifford, Crab boat captain Sig Hansen, Co-host 'Today' show Hoda Kotb on July 8, 2011 -- Photo by: Paul Drinkwater/NBC/NBCU Photo Bank
THE TONIGHT SHOW WITH JAY LENO -- Episode 3817 -- Pictured: Crab fisherman Sig Hansen during an interview on April 29, 2010 -- Photo by: Paul Drinkwater/NBCU Photo Bank
NEW YORK - MARCH 30: Musician Paul McCartney (L) and captain of the fishing boat Northwestern on Discovery's Deadliest Catch Sig Hansen (R) attend the Natural Resources Defense Council's 11th Annual `Forces For Nature' Benefit at 583 Park Avenue on March 30, 2009 in New York City. (Photo by Andrew H. Walker/Getty Images)
LOS ANGELES, CA - FEBRUARY 25: TV personality Sig Hansen (R) and wife June Hansen attend the premiere screening of Discovery Channel's 'LIFE' at the Getty Center on February 25, 2010 in Los Angeles, California. (Photo by David Livingston/Getty Images)
Captain Sig Hansen, star of the Discovery Channel reality series 'The Deadliest Catch,' talks to his colleague and show co-star Capt. Phil Harris on his cell phone during an appearance at the Norway pavilion at Disney's EPCOT theme park, Friday, July 11, 2008. Looking on (left) are guests Lauren Courville, Lisa Dugas and Kathy Markey (second from right). Hansen met guests and signed autographs. (Photo by Joe Burbank/Orlando Sentinel/MCT via Getty Images)
HOLLYWOOD - SEPTEMBER 24: Reality television personality Sig Hansen and wife June Hansen arrive at the Fox Reality Channel Really Awards on September 24, 2008 at the Avalon Hollywood club in Hollywood, California. (Photo by Frazer Harrison/Getty Images)
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"I have memories ... of being in a room alone with my father and crying out in pain," Eckstrom writes.

Hansen vehemently denies his estranged daughter's claims, however.

"This is nothing more than an old-fashioned shakedown. It's a completely frivolous lawsuit full of lies that my ex-wife made up to take away my daughter, and still uses to try to extort money from me," he said recently. "It's blackmail."

He also alleges that his daughter's allegations don't tell the full story. The case is currently "in limbo" in King County, Washington.

See photos from "The Deadliest Catch":

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"Deadliest Catch"
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"Deadliest Catch"
Silver Spray in Opilio Season in Bering Sea, Alaska
Fisherman Working on Deck Bad Weather Bering Sea AK /nOpilio Crab Season F/V Erla N
HOMER, AK - MARCH 27: The Time Bandit commercial fishing boat from Discovery Channel's "Deadliest Catch" series docked in the harbor in Homer Alaska on March 27, 2011.
Crab boats featured on the Deadliest Catch
Fisherman Unloads Crab Pot on Deck Bering Sea AK /nOpilio Crab Season F/V Erla N
Fishing Boats, Dutch Harbor, Alaska
Fisherman Launches Crab Pot Bering Sea SW AK/nf/v Amatuli
Featured in the TV show Deadliest Catch, the F/V Northwestern, Resurrection Bay, Seward, Alaska.
The crab fishing boat Horizon as the boats featured in Discovery Channel's Deadliest Catch.
Men pull crab traps from sea Gulf of Alaska Kodiak SW AK
Fisherman Working on Deck High Winds Bering Sea SW AK /nOpilio Crab Season F/V Erla N
Fisherman Unloads Crab Pot on Deck Bering Sea AK /nOpilio Crab Season F/V Erla N
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