EAST LANSING, Mich. (AP) — A family is still looking for answers more than four years after a man was shot to death on a parking ramp.

East Lansing police are still working to identify two men spotted on a store surveillance video who could be connected to the Feb. 5, 2015, shooting death of Michael Smith, the Lansing State Journal reported.

The two black men were seen driving a red sedan near the parking ramp where the shooting occurred. East Lansing detective Sgt. James Phelps said there haven’t been any new leads in the case.

Andrea Smith, Michael Smith’s sister, is asking for anyone with information to tell authorities. She said the family has been waiting for years without answers or closure.

“Say something, speak up,” she said. “These men, they took someone’s father, someone’s brother, child. He took someone that was very important to us. How would you feel if it was your brother, your son, your child’s father?”

Michael Smith was out with his cousins the night of the shooting, but the details of the night are still unclear, said his mother Beverly Smith.