Keyuan Garden, 25, of Rockford, Illinois, was shot in the back and killed on October 1, 2017, the Winnebago County Coroner reported. The coroner listed the gunshot wound to the back as the cause of death; Garden’s killing was recorded as the city’s 15th homicide that year.

Authorities have not released details about what led to the shooting or identified a suspect, and no arrests have been announced. Investigators describe the case as open and are seeking tips from anyone who might have information about the incident.

Does anyone in Rockford have information about Garden’s movements or contacts around October 1, 2017, that could help advance the investigation?