Giuliani says he'd testify at Trump's Senate trial

President Donald Trump's personal lawyer Rudy Giuliani says he'd be willing to testify at his client's Senate trial, but he would "love" to represent Trump in the proceedings.

"I would testify, I would do demonstrations, I'd give lectures, I'd give summations, or I'd do what I do best, I'd try the case. I'd love to try the case," Giuliani told reporters as he made his way into a New Year's Eve celebration at the president's Florida resort on Tuesday night.

Giuliani, a former federal prosecutor, suggested he'd lead the president's defense with a prosecution.

"I don't know if anybody would have the courage to give me the case, but if you give me the case, I will prosecute it as a racketeering case, which I kind of invented anyway," he said, referring to his pioneering use of racketeering laws to take down New York mob leadership in the 1980s.

"It was 30 years ago, but let's see if I can still do it," he said.

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Rudy Giuliani and President Donald Trump through the years
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Rudy Giuliani and President Donald Trump through the years
Republican presidential nominee Donald Trump embraces former New York City Mayor Rudolf Giuliani at a campaign rally in Greenville, North Carolina, U.S., September 6, 2016. REUTERS/Mike Segar
U.S. President Donald Trump listens to former New York City Mayor Rudy Giuliani during a meeting with cyber security experts in the Roosevelt Room of the White House in Washington, U.S., January 31, 2017. REUTERS/Kevin Lamarque
U.S. President-elect Donald Trump stands with former New York City Mayor Rudolph Giuliani before their meeting at Trump National Golf Club in Bedminster, New Jersey, U.S., November 20, 2016. REUTERS/Mike Segar
U.S. President Donald Trump listens to former New York City Mayor Rudy Giuliani during a meeting with cyber security experts in the Roosevelt Room of the White House in Washington, U.S., January 31, 2017. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY
U.S. President-elect Donald Trump stands with former New York City Mayor Rudolph Giuliani before their meeting at Trump National Golf Club in Bedminster, New Jersey, U.S., November 20, 2016. REUTERS/Mike Segar TPX IMAGES OF THE DAY
U.S. President-elect Donald Trump greets former New York City Mayor Rudolph Giuliani before their meeting at Trump National Golf Club in Bedminster, New Jersey, U.S., November 20, 2016. REUTERS/Mike Segar
Former New York Mayor Rudy Giuliani shakes hands with Republican presidential nominee Donald Trump at a campaign rally in Charlotte, North Carolina, U.S., August 18, 2016. REUTERS/Carlo Allegri
Former New York Mayor Rudy Giuliani and Republican presidential candidate Donald Trump arrive to speak to police gathered at Fraternal Order of Police lodge during a campaign event in Statesville, North Carolina, U.S., August 18, 2016. REUTERS/Carlo Allegri
U.S. Republican presidential candidate Donald Trump (R) and former New York City Mayor Rudy Giuliani (2nd L) arrive for ceremonies to mark the 15th anniversary of the September 11 attacks at the National 9/11 Memorial in New York, New York, United States September 11, 2016. REUTERS/Brian Snyder
Republican presidential nominee Donald Trump walks with former New York City Mayor Rudolph Giuliani (L) and his son Eric Trumo (R) through the new Trump International Hotel in Washington, D.C., U.S., September 16, 2016. REUTERS/Mike Segar
Former New York Mayor Rudy Giuliani shakes hands with Republican presidential nominee Donald Trump at a campaign rally in Charlotte, North Carolina, U.S., August 18, 2016. REUTERS/Carlo Allegri
Republican U.S. presidential nominee Donald Trump and former New York mayor Rudy Giuliani visit the Milwaukee County War Memorial Center in Milwaukee, Wisconsin August 16, 2016. REUTERS/Eric Thayer
Republican U.S. presidential nominee Donald Trump talks with Milwaukee County Sheriff David Clarke Jr. (L) and former New York mayor Rudy Giuliani (R) at the Milwaukee County War Memorial Center in Milwaukee, Wisconsin August 16, 2016. REUTERS/Eric Thayer
Republican U.S. presidential nominee Donald Trump greets former New York mayor Rudy Giuliani during a campaign rally at Crown Arena in Fayetteville, North Carolina August 9, 2016. REUTERS/Eric Thayer
Republican U.S. presidential nominee Donald Trump and former New York mayor Rudy Giuliani visit Allegra Print and Imaging in Fayetteville, North Carolina, U.S., August 9, 2016. REUTERS/Eric Thayer
Republican U.S. presidential nominee Donald Trump and former New York mayor Rudy Giuliani visit Allegra Print and Imaging in Fayetteville, North Carolina August 9, 2016. REUTERS/Eric Thayer
Republican U.S. presidential nominee Donald Trump and former New York mayor Rudy Giuliani visit Allegra Print and Imaging in Fayetteville, North Carolina, U.S., August 9, 2016. REUTERS/Eric Thayer
Former New York mayor Rudy Giuliani greets Republican U.S. presidential nominee Donald Trump at the Trask Coliseum at University of North Carolina in Wilmington, North Carolina, U.S., August 9, 2016. REUTERS/Eric Thayer
Former New York City Mayor Rudy Guiliani sits with his wife Judith (R) and Donald Trump Jr. at the Republican National Convention in Cleveland, Ohio, U.S. July 18, 2016. REUTERS/Jim Young
Former New York City Mayor Rudy Giuliani (L), Republican presidential nominee Donald Trump (C) and New Jersey Governor Chris Christie (R) stand together during a memorial service at the National 9/11 Memorial September 11, 2016 in New York. The United States on Sunday commemorated the 15th anniversary of the 9/11 attacks. / AFP / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
NEW YORK, NY - SEPTEMBER 11: Republican presidental nominee Donald Trump (R) and former New York City mayor Rudy Giuliani (L) arrive at September 11 Commemoration Ceremony at the National September 11 Memorial & Museum on September 11, 2016 in New York City. Hillary Clinton and Donald Trump attended the September 11 Commemoration Ceremony. (Photo by Justin Sullivan/Getty Images)
NEW YORK, NY - SEPTEMBER 11: Republican presidental nominee Donald Trump (C) and former New York City mayor Rudy Giuliani arrive at September 11 Commemoration Ceremony at the National September 11 Memorial & Museum on September 11, 2016 in New York City. Hillary Clinton and Donald Trump attended the September 11 Commemoration Ceremony. (Photo by Justin Sullivan/Getty Images)
Former New York City mayor Rudy Giuliani introduces Republican presidential candidate Donald Trump before a rally at the Travis County Exposition Center on August 23, 2016 in Austin, Texas. / AFP / SUZANNE CORDEIRO (Photo credit should read SUZANNE CORDEIRO/AFP/Getty Images)
Former Mayor of New York City Rudy Giuliani greets Republican presidential nominee Donald Trump just after introducing him at a rally at the Florida State Fairgrounds in Tampa, Florida, on Wednesday, August 24, 2016. (Photo by Loren Elliott/Tampa Bay Times/Getty Images)
Former New York City mayor Rudy Giuliani, left, welcomes Republican presidential candidate Donald Trump on stage during a campaign rally on August 18, 2016, at the Charlotte Convention Center in Charlotte, N.C. (Jeff Siner/Charlotte Observer/TNS via Getty Images)
BRIARCLIFF MANOR, NY - JULY 14: (L-R) Donald Trump, Joe Torre, Ali Torre, Mayor Michael R. Bloomberg, Rudolph W. Giuliani and Billy Crystal attend the 2008 Joe Torre Safe at Home Foundation Golf Classic at Trump National Golf Club on July 14, 2008 in Briarcliff Manor, New York. (Photo by Rick Odell/Getty Images)
BRIARCLIFF MANOR, NY - JULY 14: (L-R) Rudolph W. Giuliani, Donald Trump, Mayor Michael R. Bloomberg, Bill Clinton, Joe Torre, and Billy Crystal attend the 2008 Joe Torre Safe at Home Foundation Golf Classic at Trump National Golf Club on July 14, 2008 in Briarcliff Manor, New York. (Photo by Rick Odell/Getty Images)
UNITED STATES - MAY 04: Mayor Rudy Giuliani and Donald Trump at news conference at the GM Building, where CBS announced that Bryant Gumbel will be the host of its new morning news program, 'This Morning.' Show, to be launched Nov. 1, will broadcast from Trump's International Plaza Building., (Photo by Andrew Savulich/NY Daily News Archive via Getty Images)
UNITED STATES - MAY 04: Mayor Rudy Giuliani is flanked by CBS President Leslie Moonves (left) and Donald Trump at news conference at the GM Building, where CBS announced that Bryant Gumbel will be the host of its new morning news program, 'This Morning.' Show, to be launched Nov. 1, will broadcast from Trump's International Plaza Building., (Photo by Andrew Savulich/NY Daily News Archive via Getty Images)
UNITED STATES - MAY 04: Mayor Rudy Giuliani and Donald Trump at news conference at the GM Building, where CBS announced that Bryant Gumbel will be the host of its new morning news program, 'This Morning.' Show, to be launched Nov. 1, will broadcast from Trump's International Plaza Building., (Photo by Andrew Savulich/NY Daily News Archive via Getty Images)
UNITED STATES - MAY 04: Mayor Rudy Giuliani considers a question as Donald Trump looks on at news conference at the GM Building, where CBS announced that Bryant Gumbel will be the host of its new morning news program, 'This Morning.' Show, to be launched Nov. 1, will broadcast from Trump's International Plaza Building., (Photo by Andrew Savulich/NY Daily News Archive via Getty Images)
NEW YORK, UNITED STATES: This 13 September 1999 file photo shows New York City Mayor Rudy Giuliani (L) with Donald Trump (R) during the NYC2000 fashion show in New York City. Trump announced 07 October that he plans to form an exploratory committee to help him decide whether to seek the Reform Party nomination for president. (Photo credit should read MATT CAMPBELL/AFP/Getty Images)
NEW YORK, UNITED STATES: New York City Mayor Rudy Giuliani (L) jokes with Donald Trump (R) as they take a walk down the runway during the NYC2000 fashion show in Times Square 13 September, 1999, in New York City. The show which featured more than 90 clothing designs as well as a performance by singer Trisha Yearwood was held in conjunction with the Seventh on Sixth Fashion Week Spring 2000 Collections. AFP PHOTO Matt CAMPBELL (Photo credit should read MATT CAMPBELL/AFP/Getty Images)
BRONX, NY - OCTOBER 15: Real estate magnate Donald Trump talks with former New York City mayor Rudy Giuliani while current mayor Michael Bloomberg (far R) eats popcorn before the start of game 6 of the American League Championship Series between the Yankees and Boston Red Sox on October 15, 2003 at Yankee Stadium in the Bronx, New York. (Photo by Ezra Shaw/Getty Images)
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The former New York City mayor did not elaborate, but he has said before that Trump did nothing wrong in the dealings with Ukraine that led to his impeachment, and that the real wrongdoers are former Vice President Joe Biden and his son.

The impeachment proceedings center on Trump's efforts to press Ukraine's president to investigate the Bidens, focusing on Hunter Biden's work on the board of a Ukrainian gas company while his father was calling for the removal the country's top prosecutor as part of the Obama administration's anti-corruption efforts there. Trump sought the investigation into his political rival while withholding critical military aid to the country, which is at war with Russian-backed separatists.

The Bidens have denied any wrongdoing.

Trump's allies and top Republicans have urged the president to distance himself from Giuliani, who is reportedly being investigated by federal prosecutors who have arrested two of his associates on charges of violating campaign finance laws.

Giuliani has denied any wrongdoing, telling New York magazine in an interview published last week that if prosecutors are investigating him, "they're idiots."

In that same interview, Giuliani said he wanted to represent Trump in the Senate so he could cross-examine Democrats.

“I’m great at it. It’s what I do best as a lawyer. That’s what I would be good at,” he said. “Oh, I would love it, I could rip — you know, I hate to sound like a ridiculously boastful lawyer, but cross-examining them would be, I don’t know, I could’ve done it when I was a second-year assistant U.S. attorney. They’re a bunch of clowns.”

Giuliani's claims that the Bidens were involved in criminality in Kyiv — for which there's no credible evidence — led to Trump's demand that the country investigate the father and son, which resulted in the president's impeachment.

Trump was not asked about who would represent him in the Senate trial as he made his way into the party at Mar-a-Lago, but he did sound off on his impeachment, which he called "a big fat hoax."

"As far as I'm concerned I will be happy with the trial because we did nothing wrong," he said.

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