RBL Posse (short for Ruthless by Law) was a 1990s gangsta rap group from Hunters Point in San Francisco, California. Formed in 1991 by Black C (Christopher Matthews) and Mr. Cee (Kyle Church). Their first release, the self-produced "Don't Give Me No Bammer" came out on In-a-Minute Records. Two albums followed: A Lesson to Be Learned, and Ruthless by Law. In 1995 they produced a solo record by group member Hitman (Ricky Heard) called Solo Creep.
Their impressive sales for regional indie releases attracted interest from Atlantic Records subsidiary Big Beat, who signed the group. Before they could deliver an album, Mr. Cee was shot nine times and killed near his home on New Year's Day in 1996, on Harbor Road. This murder would set off a wave of retaliation killings in this section of the city.
Black C and Hitman filled the void created by Mr. Cee's absence with various producers, including Rick Rock and MC Eiht, and released An Eye for an Eye in 1997.Another Hitman solo record was released in 1999 and in 2000, RBL Posse released the double album Bootlegs & Bay Shit: The Resume. In May 2001, Hitman was wounded in the leg from gunshots.2001's Hostile Takeover would prove to be the group's last album when, on February 3, 2003, Hitman was shot and killed while driving in the Hunters Point section of San Francisco.
Black C has continued to release solo albums and RBL Posse-related material.