UPDATE: 1:30 PM: Monroe County Sheriff Tom Boatwright says the victim was 21-year-old Tierra Nicole Stewart of Monroeville. The sheriff says she was a passenger in a vehicle when she was shot and killed in a domestic situation by Montgomery on Turnbull Road in Beatrice, Alabama.

MONROE COUNTY, Ala. (WKRG) — Officials with the Monroe County Sheriff’s Office have put out an alert asking people to be on the lookout.

Javelin Najawan Montgomery, of Beatrice, Ala., is considered “armed and dangerous” and they say extreme caution should be used if you see him. Deputies said his last known location is 997 Turnbull Road, Beatrice, Ala.

Montgomery is a former Marine. He was last known to be driving a black 2007 BMW 525i with a Disabled Veteran’s tag with the plate number DV17P80. Anyone with information on Montgomery’s whereabouts is asked to call the Monroe County Sheriff’s Office and 251-575-2911.

This is a developing story. WKRG News 5 is working to gather more information. We will update this story as more information becomes available.

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Stay ahead of the biggest stories, breaking news and weather in Mobile, Pensacola and across the Gulf Coast and Alabama. Download the WKRG News 5 news app and be sure to turn on push alerts.