SFPD Arrests Mission District Homicide Suspects 22-114(a)

On August 21, 2022, at approximately 2:26am, San Francisco Police Officers assigned to Mission Station responded to Mission Street and 19th Street on a report of a shooting. Upon arrival, Officers located three victims suffering from apparent gunshot wounds, and one victim suffering from other non-life-threatening injuries. Officers rendered aid and summoned medical attention. The three victims were transported to Zuckerberg San Francisco General Hospital. Despite lifesaving efforts by medical personnel, one of the victims succumbed to his injuries and was pronounced deceased at the hospital.  The fourth victim was treated and released at the scene. 

Investigators from the San Francisco Police Homicide Detail has led the investigation. Through the course of the investigation, two suspects were identified for the homicide. Investigators developed probable cause to obtain arrest warrants for 28-year-old male Christopher Berrios-Mabutas of Daly City and 22-year-old male, Nickolas Ernesto Calderon of Colma. 

On January 12, 2023, at approximately 5:00 am SFPD officers served arrest and search warrants on the 400 block of B St. in Colma, Ca. At that time Berrios-Mabutas and Calderon were located and arrested. Berrios-Mabutas was arrested for Robbery (211 PC), Assault by Means Likely to Produce Great Bodily Injury (245(a)(4) PC), and Aiding and Abetting (31 PC).  

Calderon was arrested for Homicide (187(a) PC), Robbery (211 PC), four counts of Assault by Means Likely to Produce Great Bodily Injury (245(a)(4) PC) X4, Aiding and Abetting (31 PC), Loaded Firearm in Public (25850(a) PC), Carrying a Concealed Weapon (25400(a)(2) PC), Gun Enhancement (12022.53(d) PC), and three counts of Assault with a Firearm (245(a)(2) PC). 

Investigators also served the search warrant on an additional location related to the investigation, which was on the 600 block of Villa St, Daly City Ca. 

While arrests have been made, this remains an open and active investigation. Anyone with information is asked to call the SFPD Tip Line at 1-415-575-4444 or Text a Tip to TIP411 and begin the text message with SFPD. You may remain anonymous.   

SFPD Case# 220562068