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DATE/TIME: September 28, 2018 / 10:29 P.M.

INCIDENT: PC 25850(c)(6) – Carrying Unregistered Concealed / Loaded Firearm

LOCATION: Mission Boulevard & Ramona Avenue, unincorporated area of Montclair

SUSPECT(S): Cain Esli Marroquin, 26-year-old resident of Pomona

SUMMARY: Deputy Cervantes, of the Chino Hills Station, contacted Cain Esli Marroquin and another unknown Hispanic male in the area of Mission Boulevard and Ramona Avenue in the unincorporated area of Montclair. Marroquin immediately reached into his waistband. When ordered to stop, Marroquin continued reaching into his waistband and ran west on Mission Boulevard. Cervantes chased Marroquin and took him into custody. During a struggle with Marroquin, an unregistered loaded revolver fell out of his waistband. The second suspect also fled from Cervantes. The Montclair Police Department and Sheriff’s Aviation Division responded but, the second suspect could not be located.

Anyone with information regarding this incident is urged to contact the Chino Hills Sheriff’s Station at (909) 364-2000. Callers wishing to remain anonymous may contact the We-Tip Hotline at 1-800-78CRIME (27463), or you may leave information on the We-Tip website at

Refer: Deputy B. Cervantes

Station: Chino Hills

Phone No. 909-364-2000

Case No. 021800764

JOHN McMAHON, Sheriff-Coroner
San Bernardino County Sheriff-Coroner Department