MARIETTA, Ga. - Marietta police are searching for a 26-year-old man they say shot and killed his stepfather Monday night, then ditched the getaway car near the Atlanta University Center.

What we know:

Marietta police said they were called just before 6:30 p.m. to an apartment along Ridge Run, off Franklin Gateway, for reports of a heated argument between a stepfather and stepson. While officers were on the way, dispatchers received reports of gunfire.

When officers arrived, they found 58-year-old Michael Jackson inside the apartment suffering from multiple gunshot wounds. He was taken to Wellstar Kennestone Hospital but died from his injuries.

Investigators identified the stepson, 26-year-old Pharron Banks, who had only been living with the family for about two months before the dead

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