Tulsa police have released the name of the city's 18th homicide victim.
Calvin Anderson, 48, was shot and killed March 15 near East Pine and North Peoria.
Witnesses told police 32-year-old Erica Harrison asked Anderson to leave her home but when he refused she went inside and grabbed a gun.
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Police say Harrison shot Anderson three times and when he didn't fall she went back inside to reload.
Police say the two knew each other but the motive was unclear during the initial investigation.
Harrison was arrested for first-degree murder.