Sadly, millions of parents from suburbia never learned this, and are too PC-minded to ever pass such lore onto their offspring. So they go as lambs to slaughter when they walk into Realityville, USA.
In fact, that period of education will serve me very well. I saw criminals in the act of planning, or sometimes, debriefing after-the-fact, thier crimes. One stands out:
I was in the drug trap house, and two crackhead chicks had just robbed a room in a Microtel. The black fellow who was critiquing the crime chastised them severely for stealing from a room right across the hall from their room. He remarked, "Man, you don't DO that, they got cameras. You on FILM now, bitch! Next time you call me or **** or #### and we send a hood-n****a in there, he's wearin' a hoodie and a baseball cap and HE does it!"
Criminals think, plan, and operate much as any other group of individuals do. They use common sense, formulate plans, and use their experience to improve their craft. I had always viewed crime as an impulse thing, this was my awakening that this was not necessarily so.