Michael Machain was arrested for assault with a weapon, criminal threats & domestic violence 
DATE/TIME: Saturday, March 20, 2021 / 4:23 P.M.
INCIDENT: Assault with Weapon, Domestic Violence, Criminal Threats
LOCATION: 8100 block of Sultana Avenue, Unincorporated Fontana
SUSPECT: Michael Machain, age 39, resident of Fontana
VICTIM: Confidential
SUMMARY:
On Saturday, March 20, 2021, at 4:23 P.M., deputies responded to an in-progress assault in the 8100 block of Sultana Avenue in unincorporated Fontana. The reporting party told dispatch a male held a knife to the victim’s face and the victim had blood on her. Deputies arrived and learned Machain grabbed a large kitchen knife, put it to the victim’s body, and threatened her with great bodily injury. The victim ran outside and flagged down a passerby, who is a member of the United States Air Force and was on her way to work. The passerby stopped to aid the victim and called law enforcement. Machain eventually exited the residence and was arrested without incident. The knife used during the assault was recovered and the victim suffered minor injuries.
Anyone with information regarding this incident is urged to contact the Fontana Sheriff’s Station at (909) 356-6767. 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 www.wetip.com.
Refer: Deputy I. Diaz
Station: Fontana
Phone No. (909) 356-6767
Case No. 032100737
JOHN McMAHON, Sheriff-Coroner
San Bernardino County Sheriff-Coroner Department
Address/Location
SBSD - Fontana Sheriff's Department
17780 Arrow Blvd
Fontana, CA 92335
Contact
Emergency: 9-1-1