I cannot verify any of the circumstances here, but the video appears to be a dude who protests his arrest by singing Queen's "Bohemian Rhapsody."
Spoiler alert: his plaintive, Freddie Mercury-ish cries of "Let me go" are, figuratively speaking, met with a message of "We will not let you go."
http://youtu.be/fqymcJRSbxI
[via BoingBoing]