14, 15, 16, whatever... They were under 21 regardless 'cause they needed to be hooked up.
Trujillo was in a position of power over the girls because, 1. he's a celebrity, 2. he was able to provide alcohol. And he paid (using beer as currency rather than money) to get serviced which is lame too. Great skater but that's pretty messed up if it's true and makes him a scumbag.