Yesterday August 25th. Near downtown Los Angeles. Roughly 3pm. Driving in traffic, noticed 3 large military helicopters apparently flying in formation. As I got closer, noticed a 4th chopper, but different type. Even curiouser, the appearance was that the 3 military choppers were forcing the smaller copter to land. Obviously don't know what exactly happened, but visually it looked like 3 huge dragonflies hunting a mosquito, or 3 large bouncers backing Danny Devito into a corner. Looking up the profiles on military.com, I'm guessing they were UH-1 Iroqois or possibly even Sea Dragon size. The smaller helicopter was yellow/orange and looked a little smaller than a standard news chopper, totally overshadowed by the military craft that seemed to be forcing it down.

Somebody trying to flee? Knowledge, speculation, wisecracks all welcome below!