This photo taken from video provided by KABC-TV shows a building after an explosion rocked it in Aliso Viejo, Calif., Tuesday afternoon, May 15, 2018. Authorities say one person is dead and several others have injuries. The cause of the blast is being investigated. The injured were taken to a hospital. (KABC-TV via AP)
Firefighters and sheriff’s deputies escort children from Academy on the Hill pre-k school in Aliso Viejo, Calif., on Tuesday, May 15, 2018, after a fatal explosion nearby. The blast involved a building under renovation but the cause was not immediately known, according to authorities. (Mindy Schauer/The Orange County Register/SCNG via AP)
ALISO VIEJO, Calif. — A deadly explosion that ripped through a Southern California day spa was a crime, investigators said Wednesday as they identified the owner as the likely victim and looked into whether she was targeted and why.