Attempted Murder Investigation Arrest in San Marcos 

October 25, 2026 – San Diego County Sheriff's Office officials report that on Friday, October 23, at approximately 10:20 p.m., deputies from the San Marcos Sheriff's Station responded to a reported stabbing in the 100 block of Woodland Parkway in San Marcos.  Upon arrival, deputies located a 70-year-old victim suffering from multiple stab wounds. Deputies immediately rendered first aid until paramedics arrived and transported the victim by ambulance to a local hospital.  During the investigation, deputies identified Alejandro Humberto Delgado (47) as the suspect.

On Saturday, October 24, at approximately 8:30 a.m., deputies located Delgado at his residence in the 400 block of Stonehedge Place in San Marcos.  Deputies obtained and served a search warrant at the residence with assistance from the Sheriff's Special Enforcement Detail (SED).

Delgado was arrested for attempted murder and booked into the Vista Detention Facility.

Source: San Diego County Sheriff's Office