Philly Cops dropped a C-4 on their holed up problem makers.

“On 13 May 1985 Powell was handed an army-style green satchel containing a bomb made of C-4 plastic explosives of the sort widely deployed in Vietnam. He boarded a state police helicopter, and took up his position balanced precariously on the skids of the aircraft.”

[link to www.theguardian.com (secure)]