“To Catch A Predator” was a snow on NBC’s “Dateline” news show. Using imposters and technical savvy they caught and exposed a number of suspected pedophiles.
Some fellas calling themselves “Villain Pros” found out someone they knew had a 13 year old sister being pursued by an adult male. They invited him over, put the camera on him and showed him the definition of “street justice.”
The hood version may have a smaller budget, but you can be sure the method will be no less effective.