SHERMAN, Texas -- A third capital murder warrant has now been issued in connection with the August 11 robbery and murder of a Sherman hotel clerk.

Sherman police say Reginald Vernard Campbell Jr., 26, is wanted for his role in the slaying of Brandon Hubert at the Quality Suites on U.S. 75.

"Campbell was last known to be in Columbia, South Carolina," police spokesman Sgt. D.M. Hampton said in a written statement. "His current whereabouts are unknown."

Police are offering a $1,000 reward for information leading to Campbell's arrest. Call 903-892-7374 if you can help.

 Karalyn Marie Cross, 19, and Nikeya Marquice Grant, 24, are already in custody and facing murder charges in connection with the case.