Lance Cpl. Anthony Quintanilla makes his way into a well in an abandoned compound during Operation Sangin United Horizons here, May 17, 2012. Quintanilla, a native of Los Angeles, found narcotics, weapons, and components to construct an improvised explosive device hidden inside the well. - Lance Cpl. Anthony Quintanilla makes his way into a well in an abandoned compound during Operation Sangin United Horizons here, May 17, 2012. Quintanilla, a native of Los Angeles, found narcotics, weapons, and components to construct an improvised explosive device hidden inside the well.