Peel homicide investigators have made an arrest in the murder of a 32 year old Mississauga man in June 2011. They say Keith Brissett Junior was found shot inside his vehicle in the Rexwood Road area. 22 year old Junior Moy-Lingomba of Brampton has been charged. He is already in custody on another matter. Investigators are still asking anyone with information to come forward adding they believe others were involved in the planning and execution of the murder and further arrests are a possibility.