Bernie Sanders had terse words for federal investigators looking into his wife as part of a fraud inquiry related to her tenure as president of a small Vermont liberal-arts college.
The FBI is investigating allegations that Jane Sanders made fraudulent claims and promises while seeking $10 million in financing for a real estate deal on behalf of Burlington College, a now-defunct school of which she was president.
Sanders called the FBI's investigation of his wife "pretty pathetic."
"My wife is about the most honest person I know," Sanders told CNN's Erin Burnett on Tuesday. "All that I will tell you now is it's a sad state of affairs in America when not only we have politicians being destroyed ... but when you go after people's wives. That's pretty pathetic."
See photos of Sanders and his wife
Bernie Sanders and wife, Jane
Bernie Sanders and wife, Jane
Former Democratic U.S. presidential candidate Senator Bernie Sanders hugs his wife Jane after making a motion to suspend the rules and nominate Hillary Clinton as the Demcoratic presidential nominee at the Democratic National Convention in Philadelphia, Pennsylvania, U.S. July 26, 2016. REUTERS/Carlos Barria
U.S. Democratic presidential candidate Bernie Sanders gets a kiss from his wife Jane as he addresses supporters following the closing of the polls in the California presidential primary in Santa Monica, California, U.S., June 7, 2016. REUTERS/Lucy Nicholson
U.S. Democratic presidential candidate Bernie Sanders and his wife Jane wave to the audience during a rally in Vallejo, California, May 18, 2016. REUTERS/Stephen Lam
PORTSMOUTH, NH - With Jane Sanders, Democratic Presumptive Nominee for President former Secretary of State Hillary Clinton attends a rally with Senator Bernie Sanders (I-VT) at Portsmouth High School Gymnasium in Portsmouth, New Hampshire on Tuesday, July 12, 2016. (Photo by Melina Mara/The Washington Post via Getty Images)
Jane O'Meara Sanders walks on the floor during the third day of the Democratic National Convention at the Wells Fargo Center, July 27, 2016 in Philadelphia, Pennsylvania. / AFP / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
Democratic U.S. presidential candidate Bernie Sanders kisses his wife, Jane O'Meara Sanders, at a rally in Hollywood, Los Angeles, California, United States October 14, 2015. REUTERS/Lucy Nicholson
U.S. Democratic presidential candidate Bernie Sanders (C) hugs his wife Jane Sanders (L) while actress Susan Sarandon surveys the overflow room at a campaign rally in Fairfield, Iowa January 28, 2016. REUTERS/Mark Kauzlarich
U.S. Democratic presidential candidate Bernie Sanders' wife Jane (R) waves to the crowd as Sanders acknowledges her and his step daughters Carina (L) and Heather (C) as Sanders addresses his final campaign rally before the Iowa Caucus at Grand View University in Des Moines, Iowa January 31, 2016. REUTERS/Jim Bourg
Jane Sanders, wife of Vermont Senator and 2016 Democratic presidential candidate Bernie Sanders, listens during an interview following a campaign event in Fort Madison, Iowa, U.S., on Friday, Jan. 29, 2016. In advance of Monday's Iowa caucuses, the first electoral contest of the presidential primaries, Jane Sanders has ventured out often on her own, sometimes with multiple events the same day. Photographer: T.J. Kirkpatrick/Bloomberg via Getty Images
Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, walks with his wife Jane Sanders ahead of the Jefferson-Jackson Dinner in Des Moines, Iowa, U.S., on Saturday, Oct. 24, 2015. With Vice President Joe Biden officially out of the presidential race, the nation's first nominating contest between front-runner Hillary Clinton and Sanders is gaining steam, according to a new Bloomberg Politics/Des Moines Register Iowa Poll. Photographer: Daniel Acker/Bloomberg via Getty Images
FLORENCE, SOUTH CAROLINA - SEPTEMBER 12: With his wife Jane O'Meara, Vermont Senator Bernie Sanders (I-VT) prepares to speak at a Florence Town Hall Meeting in an arena in Florence, South Carolina on Saturday September 12, 2015. (Photo by Melina Mara/The Washington Post via Getty Images)
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The investigation follows a complaint filed in 2016 by then-candidate Donald Trump's Vermont campaign chairman, Brady Toensing, who also accused Sanders, the Vermont senator, of using his office to pressure a bank to approve the loan, the Associated Press reported. The newswire service said Toensing has previously filed complaints against Democrats and members of Vermont's Progressive Party. Sen. Sanders called the allegations "politically motivated."
Sanders' remarks on Tuesday were his first public comments on the investigation. Jane Sanders has hired an attorney to protect her interests in the matter, a family spokesperson said.