Formed in 1991 by Black C (Christian Mathews) and Mr. Cee (Kyle Church). Their first release, the 
 self-produced “Don’t Give Me No Bammer” came out on In-a-Minute Records and made the Billboard magazine Hot Rap Singles chart, peaking at #16. Two albums followed: A Lesson to Be Learned, which peaked at #60 on the Billboard magazine Top R&B/Hip-Hop Albums chart, and Ruthless by Law, which surpassed their debut by making it to #23, also grazing the bottom of the The Billboard 200 at #197. 
 Their impressive sales for regional indie releases attracted interest from Atlantic Records subsidiary Big Beat, who signed the group. 
 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. The album peaked at #70 on The Billboard 200 chart and got as high as #14 on the Top R&B/Hip-Hop Albums chart. RBL Posse released a double album—Bootlegs and Bay Shit: The Resume. 
 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 is still recording, and went on to release 4 solo albums under the name RBL’s Black C. 2001’s The Last Man Standing, 2007’s The City of Gods, 2010’s 70’s Baby, and 2012’s Still Ruthless. Black C is also set to release a book based on his life in the streets of San Francisco, and his music career titled A Part of Survival.