Weasel Zippers reports today that Collin Peterson, a staffer for Rep. Nick Rahall (D-W.Va.) and field organizer for the West Virginia Democratic Party, has deleted his Facebook account, which included “anti-Israel rants” and plenty of “pro-terrorist imagery,” such as himself wearing a keffiyeh while holding “what looks like an AK47 imitation airsoft gun.”

It’s a mystery.