Lincoln Park police are looking for 19-year-old Tobias Catron.
Catron allegedly shot a 49-year-old man in the neck after an argument in the 1400 block of Mayflower Avenue at about 5 p.m.
The victim is expected to survive, but Catron fled. Police say he should be considered armed and dangerous.
Catron and the 49-year-old man had an altercation in which he was accused of taking the man's daughter's cell phone.
Catron has tattoos multiple tattoos including a large rose on his neck. In looking at his Facebook page he may have a mixed martial arts background.
Anyone who sees him should call 911 or Lincoln Park police at (313) 381-1800.