He harassed a group of African American school kids with racist epithets, and when he was 16, again using racist language, he attacked a middle-aged Vietnamese man and left the man blind in one eye. Wahlberg was arrested for attempted murder, plead guilty to assault, and spent 45 days in jail.
And though the right thing to do would be to try to find the man and make amends, Wahlberg says, he admits he hasn't done so -- but says he's no longer burdened by guilt.
"I did a lot of things that I regretted and I certainly paid for my mistakes," Wahlberg says. "You have to go and ask for forgiveness and it wasn't until I really started doing good and doing right, by other people as well as myself, that I really started to feel that guilt go away. So I don't have a problem going to sleep at night. I feel good when I wake up in the morning."