Conversation so far:
What happened with Chris Pérez in 1989?
Quintanilla invited Chris Pérez to one of Selena's performances, and asked if he was interested in playing with Selena y Los Dinos. Chris accepted.
What legal problems did Chris Pérez have?
In 1991, Chris  Pérez was arrested for driving under the influence and speeding in San Antonio, Texas.
Was Chris Pérez convicted for the 1991 offense?
Chris Pérez was released without charges, but told Selena and Abraham about his run-in with the police. They appreciated being informed and this helped gain their trust.

Question: Did he have any other legal trouble?
Self-contained rewrite: Did Chris Pérez have any other legal trouble besides his 1991 arrest?