Bernalillo County sheriff's spokesman Aaron Williamson said it was not yet clear what the suspect's motive was, or his connection to the victims.

BBC: New Mexico teenager held over shooting of five people

Bernalillo County Sheriff Dan Houston said a 15-year-old boy, who "may be a family member, " has been charged with two counts of murder and three counts of child abuse resulting in death.

CNN: STORY HIGHLIGHTS

Investigators were still combing over the home on the southwestern edge of the city where investigators found the victims Saturday night, said Deputy Aaron Williamson, a spokesman for the Bernalillo County Sheriff's Department.

CNN: Five dead, teen charged in Albuquerque shooting