Gleaming the Cube (1989)

The cult classic 80’s B-film where the slacker skateboarder gets off his butt and cases down criminals. A skateboarding boy named Brian played by Christian Slater has a pretty normal life until his brother dies. The cops think it’s a suicide yet he won’t believe it and follows some Vietnamese guys he thinks did it when he gets into a lot of trouble and has to ride his skateboard to save the day.