Splinter

A gang member, suffering from severe memory loss, searches for his brother's murderer. He secretly enlists the aid of the investigating Detective, while other members of his gang are mysteriously and sadistically murdered.

Splinter is a 2006 crime thriller movie directed by Michael D. Olmos, starring Edward James Olmos, Tom Sizemore, Ivonne Coll. It holds an IMDb rating of 4.7/10 from 1,416 votes and runs 1h 30m.