Billings man gets 80 years for South Side homicide

A Billings man was sentenced Monday to 80 years in prison for fatally shooting a woman at their South Side home last year.

David Antonio Rodas, 59, previously pleaded no contest in Yellowstone County District Court to one count of deliberate homicide, claiming he had no memory of the day he shot and killed Gwen Ann Marshall, then fled with their son.

David Antonio Rodas Sr., 57, is accused of fatally shooting Gwen Ann Marshall at their home and fleeing the scene with their son. Rodas changed his plea to “no contest” on Tuesday.

LARRY MAYER, BILLINGS GAZETTE

On May 14, 2022, Yellowstone County Sheriff’s Office deputies responded to a suicide reported at a home on the 3200 block of Stone Street. They found Marshall’s body, and YCSO detectives processed the scene and later determined her death to be a homicide. Rodas, who moved into the trailer home with Marshall and their son in March of that year, was named as a person of interest.

Detectives found their son May 15 at a Billings apartment with a family member. He was not

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