A prospect is a gang member in training. A "prospective" gang member. Often young and therefore not subject to be tried as an adult the prospects are often used to steal goods (incl cars) and graffiti property.
A avenue in Kansas City,Missouri in the hood filled with hustlers,pimps,prostitutes,crack heads,and Black owned businesses. People who frequently walk the street are commonly referred to as 'Suspect' on Prospect.
Ghetto: We saw this really fly ass 10 year old, you could tell she a prospect.
White Boy: We saw a really prettylittle young girl, we labeled her a prospect.