Note he already has a mug shot and this was great cover for the 'someone shot my office on Friday'.
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http://open.salon.com/blog/saturn_smith/2010/03/29/man_arrested_for_threatening_rep_eric_cantor<snip>
Apparently a 33-year-old man in Philadelphia has been arrested after the FBI viewed YouTube videos of him threatening to kill Rep. Eric Cantor (R-Va.), the House Republican Whip. TalkingPointsMemo has the full text of the U.S. Attorney's press release and affidavit:
On March 26, 2010, the FBI, San Francisco Division, received a copy of a video that had been removed from the internet website YouTube. The video included images of a white male, later identified as NORMAN LEBOON, making threats against United States Congressman Eric Cantor, 7th Congressional District - Virginia. The video appeared to be homemade and was of good quality. The face of the white male can clearly be seen.
In the video, Leboon makes clear threats against Cantor and his wife, saying they will "receive my bullets," among other obviously angry, and at times incoherent, statements. Officials tracked Leboon using his IP address (via an Emergency Disclosure Request to Google and then Verizon). Once they found out the address, they compared an existing mugshot to the face in the video, determined it was Norman Leboon, and arrested him in Philadelphia.