Roy Oliver shot into the car Edwards entered after leaving a house party.
A Texas cop gunned down the 15-year-old as he was leaving a party.
A Balch Springs police training officer "passed on a culture of brutality by example," a civil rights lawyer said.
Kevon Edwards was in the car when Jordan was killed by police on April 29.
For decades, the Hughes Family Tribute Center has celebrated the lives of victims of violent crime.
Roy Oliver, who is white, was charged on Friday with murder for the death of Edwards.
Police body cam footage contradicts the information he was originally provided, Chief Jonathan Haber says.