The best way to transform a good honest man into a criminal is inviting him into a criminal society. And when he often hears his friends talking about how rich will they become by robbing a bank or how easy it'll turn out if they'd spill the victim's brains on the floor, he begins to think that doing so is completely normal. No second thoughts, no regrets... Of course they didn't tell him directly to go and do it. They just told him how, and his mind became instantly corrupted...
