By Jeremy Herb - 12/05/13 04:25 PM EST
Sen. Claire McCaskill (D-Mo.) blasted a Florida prosecutor on Thursday for his conduct at a press conference where he announced that charges would not be filed against Florida State University quarterback Jameis Winston in a rape investigation.
McCaskill said on Twitter that she was “disgusted” with Florida State Attorney Willie Meggs.
“As former prosecutor & advocate for rape victims I'm disgusted at the frivolity of Meggs press conference announcing no charges on Winston,” McCaskill tweeted.
McCaskill took issue with Meggs' laughter at several points during the press conference, such as his joke about whether he’d been called a politician by former state Sen. Alfred Lawson, who was standing behind Meggs.
“I am not commenting on decision. I did not review the evidence. But the press Conf was just wrong. No time to joke,” McCaskill said.
Meggs said Thursday that he was not charging the Florida State football star after a woman accused Winston of raping her in December 2012.
“We have a duty as prosecutors to only file ... charges if we have a reasonable likelihood of a conviction," he said, according to CNN. "We did not feel we could meet that burden."
McCaskill is a former prosecutor who worked on rape and sexual assault cases, and she has tackled sexual assault policy issues in the Senate as well, particularly as it relates to the military.
She has been a major player in the Senate’s efforts this year to reform the way the military handles sexual assault, though she’s been at odds with Sen. Kirsten Gillibrand (D-N.Y.) over Gillibrand’s proposal to take cases outside the chain of command.
— This story was updated at 4:55 p.m.