By the stripes on his Adidas jumpsuit.
Because Chernobyl fallout.
In a Russian accent ) robber boots
Because X Marx the spot.
Spot.
A: So the cops can find the handles.
Count the stripes on his track pants.
Mom: It's a private caller. Dad: Don't answer that. We only pick up for ranks Lieutenant Caller and higher.
At least a brazillion dollars...