Lawrence “Butch” Watson, a 23-year-old reputed street gangster, admitting to setting up the 25-year-old Williams

One of the co-defendents in the slaying of aspiring musician Carl Williams pleaded guilty on Monday to murder and robbery. Lawrence “Butch” Watson, a 23-year-old reputed street gangster, admitting to setting up the 25-year-old Williams by luring him to an apartment complex on June 23, where he was robbed and shot dead. Watson also admitted to a gunpoint robbery earlier in the same day at the Horizons Complex. In exchange for the plea, Watson's sentence will be capped at a minimum of 22 years to life in prison. Watson's attorney will be allowed, however, to argue for a range of 20 years to life.