At about 10:45p.m., officers responded to a local hospital to investigate a walk-in shooting victim seeking treatment for a gunshot wound to the shoulder.
The 28 year-old male victim told police he was shot during an argument with a man in the 4900-block of Frankford Avenue (21206).
Northeastern district detectives responded to the scene and assumed control of the investigation.
Anyone with information is urged to contact Baltimore Police Department at 410-396-2221.
Those who wish to remain anonymous can call the Metro Crime Stoppers tip line at 1-866-7LOCKUP.
A tip may also be submitted by texting 443-902-4824.