Overview

• Malcolm Tilley, a 31-year-old Pleasanton resident, confessed to police that he killed his mother during a dispute.
• Police discovered the 71-year-old victim with multiple knife wounds at their shared residence on Alvarado Street.
• Several kitchen knives were found near the victim at the crime scene, according to law enforcement.
• Tilley was arrested on suspicion of homicide and is currently being held at Santa Rita Jail.
• Authorities have confirmed there were no prior incidents reported at the home and stated there is no ongoing threat to the community.