Mystery donor @HiddenCash teases 'epic' scavenger hunt: 'Biggest in L.A. history'

LOS ANGELES (KTLA) -- The mad dash for cash continued on Friday as the anonymous donor behind the "Hidden Cash" scavenger hunt dropped more money-filled envelopes for a third straight day in the Los Angeles area, promising that the game would only get bigger.

He tweets hints (from @HiddenCash).