Article Photos: Authorities: NM teen planned more shootings 7/11

Bernalillo Sheriff Deputies investigate at the scene of the multiple homicide at South Valley in Albuquerque, N.M., on Sunday Jan. 20, 2013. A 15-year-old boy remained in custody Sunday night as detectives tried to piece together what led to the shooting of five people, including three young children, who were found dead in a New Mexico home. (AP Photo/The Albuquerque Journal, Adolphe Pierre-Louis)