Washington (CNN) –U.S. Capitol Police and the FBI are investigating a reported threat against Rep. Todd Akin, a police spokeswoman said Thursday.
There is "an active, open investigation, Lt. Kimberly Schneider said, without revealing further details, citing a policy against discussing the security of members of Congress.
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Pressure from the mainstream Republican Party has mounted on the Missouri representative to drop his bid to unseat Democratic Sen. Claire McCaskill in November because of his comments about "legitimate rape" and opposing abortion in rape cases.
Akin was in Tampa, Florida, on Thursday ahead of the Republican National Convention, huddling with top conservative activists and assessing whether to proceed with his embattled candidacy.
Multiple sources at the Council for National Policy conference, which Akin attended, told CNN that the congressman is being encouraged by leading figures in the conservative movement to remain in the Senate race even as he faces pressure from the Republican establishment to withdraw.