It's one thing to say an old man cheated when he was 12 years old, it's yet another to say a 19 year old did it just a handful of years ago. He's still a kid.
I did broadly equivalent stupid shit when I was 12, 16, 19... I don't think I mellowed out until I was 25-30. 19 is young, 19 year olds are generally still in their peak stupid teenager years. Crime stats back this up: https://pinkerton.com/our-insights/blog/age-crime-curve