Authorities say four people have been found dead at a suburban California home
The bodies were found around 9 a.m. Tuesday at a house on Pacific Hills Drive, said sheriff's Lt. Jeff Hallock.
The circumstances of the deaths were under investigation and no identifications were immediately released.
The house is located in a development called Pacific Hills, a modern neighbourhood of two-story, upscale homes on winding streets.
Mission Viejo is a city of about 95,000 in the southern section of Orange County about 50 miles (80 kilometres) southeast of Los Angeles.