This is very disturbing.

CNN.com - Man who shot beating video arrested - July 11, 2002 The man who shot the amateur video of Inglewood police officers beating a black teen-ager was arrested Thursday by officials with the Los Angeles County district attorney's office.

Meanwhile, the attorney for the police officer suspended in the case said the teen-ager took action "that required that he be punched."
...

Authorities said Crooks was taken to the grand jury investigating the beating case. He had failed to appear before the jury Thursday morning as scheduled. Authorities said his arrest was unrelated to that case.