Timothy Callahan, 33, was shot during an attempted armed robbery in Columbia, South Carolina, on August 21, 2016. He suffered a fatal gunshot wound to the upper body and was taken to Palmetto Health Richland Hospital, where he was pronounced dead at 12:43 a.m. The Richland County Coroner’s Office confirmed the cause of death and the Columbia Police Department opened a homicide investigation.

The details released describe a sudden, predawn attack that left a family and community searching for answers.

If anyone has information about the events of that morning or about Timothy’s case, please share what you know with the Columbia Police Department.