Police released four photos of a "person of interest" in a shooting on Kirkwood Ave. early last Sunday morning.
"The backpack being worn by the individual resembles a shark or a dolphin," said the statement released Thursday afternoon by the Bloomington Police Department.
Police are asking anyone with information about the person to contact Detective Chris Scott at 812-339-4477 or scottc@bloomington.in.gov.
Five people were injured by gunfire downtown during a dispute between two groups, according to BPD, and four more people were injured during the aftermath. All but one were released from the hospital by Sunday afternoon, and one was in stable condition.
Large crowds gathered on Kirkwood on the night of the men's Little 500.
Out-of-town attendance has grown in recent years, and shootings and arrests have grabbed headlines.