The New York Times reports that "garbage collectors" have become an important source of information for local police:
Drivers’ tips have led to drug-trafficking arrests, Mr. Henschen said, and to the discovery of a corpse in a home that had gone so long without having any trash that a driver grew suspicious...
Riding high in the cab of a garbage truck, it is impossible not to notice things. Signs of family life are evident in trash: a birth is announced by a crib’s big cardboard box, the aging of children shown in the abandonment of a kiddie pool. Garbage collectors are also informal, hands-on economists, [collector Gary Garcia] said, explaining that when times are good, everyone produces more garbage and that the absence of trash is often a sign of a foreclosed home...
I can't wait to see Dross, a crime drama about a sanitation worker who's also a special consultant to the police, and who can see things in the trash that escape the attention of everyone on CSI. The cross-over episode with Monk should be hilarious.