At an early age, I started my own paper route. Once I saw how you could service people and do a good job and get paid for it, I just wanted to be the best I could be in whatever I did.
Moral justification is a powerful disengagement mechanism. Destructive conduct is made personally and socially acceptable by portraying it in the service of moral ends. This is why most appeals against violent means usually fall on deaf ears.
There are some scary statistics out there: one in five kids aged 10-17 have received a sexual solicitation or approach via the Internet.