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San Carlos man arrested on suspicion of killing woman Thursday

The suspect returned to the scene shortly after the alleged crime and was arrested.
A San Mateo County Sheriff vehicle outside the county superior court on Feb. 2, 2021.

A man was arrested on suspicion of killing a woman in San Carlos on Thursday morning after witnesses flagged down deputies to report the attack in progress, according to the San Mateo County Sheriff's Office.

The deputies were notified at about 11:50 a.m. about the attack in the area of Magnolia Avenue and Laurel Street near downtown San Carlos and found the woman dead. The Sheriff's Office is not yet releasing how she was killed.

In a press conference Thursday, Sheriff's Office Lt. Eamonn Allen said that investigators had confirmed that a "stabbing instrument" had been the weapon that was used in the killing. However, that weapon had not been found. 

Allen said that due to the "shocking nature" of the scene, deputies who first arrived "were a little beset by it." He added that the county would be providing them with peer support.  

The suspect, who deputies said was known to the victim, returned to the scene shortly afterwards and was arrested on suspicion of the killing, according to the Sheriff's Office.

The names of the suspect and victim were not being released as of late Thursday afternoon.

Anyone with information about the case is asked to contact Det. Brandt at (650) 333-8195 or

Pulse Staff contributed to this report.