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‘Post his picture everywhere’: Police urge public’s help in manhunt for Detroit fireworks shooter

Victims received non-life-threatening injuries

DETROIT – Police have identified Alphonso Cooper Jr., 19, of Romulus, as the suspect in a non-life-threatening shooting ahead of the Ford Fireworks in downtown Detroit.

The shooting occurred on Monday (June 23) at 10:04 p.m., where two victims received non-life-threatening injuries.

Alphonso Cooper Jr. 19. (Copyright 2025 by WDIV ClickOnDetroit - All rights reserved.)

The intended target, a 17-year-old boy from Romulus, was struck by gunfire, along with a second victim who was not the intended target.

Detroit police Chief Todd Bettison said Cooper’s accomplice, Markalowe Keith Steen Jr., 18, of Brownstown, is considered a person of interest.

Markalowe Keith Steen Jr., 18. (Copyright 2025 by WDIV ClickOnDetroit - All rights reserved.)

Both suspects are believed to have known the victim, and the shooting stemmed from a dispute over a debt of roughly $200.

“The fight was brief, and Mr. Cooper produced a firearm and fired two shots, striking the intended victim,” said Bettison.

Police said they have executed multiple search warrants and received numerous community tips, but have not yet arrested in the case.

Bettison urged Cooper and those assisting him to surrender, warning that aiding the suspect could result in federal charges.

“I want the media to put pressure on this and post his picture everywhere,” Bettison said. “We believe he is hiding in a hotel room somewhere in the area.”

The shooting occurred outside the area protected by metal detectors, prompting officials to consider expanding security measures for future large-scale events.

“We are always looking for continuous improvement,” Bettison said. “Next year, we plan to open additional parks and expand safe zones for families to enjoy fireworks in a supervised environment.”

Bettison also emphasized the importance of parental supervision during events and noted ongoing efforts with community violence intervention groups to reduce crime.

Regarding the second victim, Bettison acknowledged the challenges of preventing harm to bystanders during such incidents.

“This is unfortunate and difficult to police,” Bettison said. “We will hold those responsible, including parents, accountable.”

Despite the shooting, Bettison stressed that the fireworks event was largely safe and successful.

“Thousands of people enjoyed the fireworks without incident,” Bettison said. “This was an isolated incident and not indicative of the summer to come.”

Detroit police Chief Todd Bettison talks manhunt for Detroit fireworks shooter

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