A 24-year-old Baton Rouge man was indicted Wednesday on a second-degree murder charge in the June 21 killing of a woman at a birthday party.

Elton Dontails Gaines III is accused of fatally shooting Donlisha Patterson, 21, while she was at a teenager’s crowded party on East Upland Avenue.

Gaines, of 4888 Hooper Road, No. B-204, faces a mandatory sentence of life in prison if convicted as charged.

The case has been assigned to state District Judge Beau Higginbotham, according to the East Baton Rouge Parish grand jury indictment.