The seemingly random attack against strangers left three people dead and seven wounded before police found a bloody Kevin Parkourana hiding in a delivery van outside of a Milpitas Smart & Final.

Three of the teen suspects were on “active searchable probation” and one was wearing a court-ordered ankle monitor at the time of the arrests.

Palo Alto police learned that a woman in her 50s had been sitting in her parked car when someone opened her passenger door and demanded her purse and keys.