Gregory Kent Walker Jr., 33, was shot and killed in the early morning hours of Saturday, May 19, 2018, at a friend’s home on Gable Street in Waterloo, Iowa. Two children were in the house at the time and were not physically harmed. Paramedics took Walker to UnityPoint‑Allen Hospital, where he died of a serious gunshot wound. Authorities described the death as a homicide they believe occurred during an attempted robbery.

A lifelong Waterloo resident, Walker was a father of four, had attended East High School, and had worked at Tyson Foods before becoming disabled. He was known locally as a basketball referee for the Iowa Referee Association and had been scheduled to travel to Des Moines that day to officiate a game. No arrests or public suspect identifications have been announced and the case remains unsolved; Cedar Valley Crime Stoppers has offered a reward for information.

If anyone knew Gregory, was in the area that night, or has information that could help investigators, please come forward.