WILLIAMSBURG COUNTY, SC - The search begins for a key piece of evidence in a double murder investigation. The Williamsburg County Sheriff's Office is getting help from the Berkeley County Sheriff's Office after they say a man shot and killed his grandmother and uncle in Salters.
Investigators say they are borrowing specially trained K-9's from Berkeley County to find the gun used in the double murder.
Anthony Anderson allegedly threw the gun out of a car window on Highway 16 just before Trio, SC.
The search for the gun began Tuesday afternoon.