According to the San Jose Police Department, investigations were underway into a stabbing incident that resulted in an “officer involved shooting.” According the SJPD, a call came in at 3:23 p.m. Sunday afternoon, but the investigation was still active as of late Sunday night.

San Jose Police said they suspect that the man officers fatally shot on Sunday had killed his child and called 911 to get into a deadly confrontation with police.

A deranged father stabbed his 9-year-old son to death in a San Jose park in what police are calling a "gruesome" and "unfathomable act of violence." The father, a 48-year-old Fremont man, was shot to death by police officers as officers attempted to save the boy in Cataldi Park,