A Pleasanton man was arrested Tuesday on suspicion of murder after he walked into the city’s police station and said he killed his 71-year-old mother during a dispute, according to the department.
Malcolm Tilley, 31, was booked into Santa Rita Jail and remained in custody Wednesday, according to jail records.
After his statements to police Tuesday, officers went to his home on Alvarado Street, east of Santa Rita Road, where they found the victim, who had been stabbed, police said. Evidence in the home included kitchen knives located near the victim, police said…