It was a spur-of-the-moment drug bust that went bad. Terribly bad.
With a marked $5 bill in hand, Los Angeles Police Department narcotics detective Arthur Gamboa leaned against a wall on a busy downtown sidewalk.
"Weed, Klonopin, weed, Klonopin …" That's what Dale Garrett, a 6-foot-3, 240-pound black man was chanting that May day in 2011, the detective told investigators.