Compare Pussy Riot and Brandon Raub
While the Western media sizzle with excitement over presenting the Pussy Riot arrest and sentencing as evidence of Putin's 'totalitarian State', just look what the FBI have done to a marine corps veteran because of something he posted on Facebook.

Comments
As for this particular case, I suspect we're not getting the whole story on precisely what was posted. I note original story mentioned the Secret Service too...which would seem to indicate a possible death threat on 'himself.' So they will detain this fellow to get it sorted and see what's what.