Lance Cpl . Jacob Wooley and Sgt . Sara Castromata and Cpl . Jacob Wooley were shot and killed Thursday . Marine base officials believe Sgt . Kenneth Medaris was the gunman who opened fire on a group of Marines in an administrative building at Camp Pendleton, California. The shooting at Quantico follows the deaths of seven Marines in Nevada last Monday . Authorities detail the careers of Castromata , Wooley and Lopez .
Lance Cpl . Sara Castromata and Cpl . Jacob Wooley were shot and killed Thursday . Marine base officials believe Sgt . Kenneth Medaris was the gunman who opened fire on a group of Marines in an administrative building at Camp Pendleton, California. The shooting at Quantico follows the deaths of seven Marines in Nevada last Monday . Authorities detail the careers of Castromata , Wooley and Lopez .