Reddit post on a camera near the murder:
I read somewhere there was footage - Seth on the ground and two men (their legs or feet) nearby. Never seen that actual footage or verified that it exists.
FBI Anon-type poster saying SEIU members did the actual hit. DNC folks ordered it:
https://www.reddit.com/r/The_Donald/comments/6bgbpx/insider_anon_claims_pedosta_used_seiu_people_to/