Chattanooga police responded to a report of a person shot at the 4500 block of Rossville Boulevard after 4 a.m. Wednesday morning.
When police arrived on scene they found the victim, identified as Frank Russell, 22, suffering from a minor gunshot wound considered non-life-threatening.
Russell did not provide investigators with a reliable location of where the shooting occurred.
Police say Russell's account of events that led to his injury changed several times.
The investigation is ongoing.