Santa Rosa police find decapitated head of woman allegedly killed by grandson last week

SANTA ROSA, Calif. -- Santa Rosa police said Monday they found the decapitated head of a woman killed Thursday, allegedly by her grandson, 23-year-old Luis Gustavo Aroyo-Lopez, of Santa Rosa.

The head was found around 7:30 p.m. near Santa Rosa Creek.

The Sonoma County Coroner's Office identified the victim as 64-year-old Elvia Lopez-Arroyo, of Santa Rosa.

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Aroyo-Lopez was arrested in San Francisco on Saturday morning, at the Transbay Transit Center without incident, when a San Francisco police officer recognized him from police bulletins. He was held until he could be transferred to Santa Rosa police.

Santa Rosa detectives found Lopez-Arroyo's head on the south bank of Santa Rosa Creek, adjacent to the Prince Memorial Greenway, just east of A Street, in Santa Rosa.

Santa Rosa police responded at approximately 3:40 p.m. Thursday to a report of a possible homicide at a home on the 2500 block of Pomo Trail. Officers found Lopez-Arroyo dead and said her grandson took her decapitated head.

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Police said multiple weapons were recovered from the residence and will undergo further examination before the murder weapon is identified.

Aroyo-Lopez was booked into the Sonoma County Main Adult Detention Facility on suspicion of murder. He remains in custody without bail.

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