Sunday, members of the Knoxville Police Department said goodbye to a longtime officer and investigator.
Dan Crenshaw a 19 year veteran of the department passed away last week after a battle with cancer.
Sunday fellow officers joined Crenshaw's family for a procession to Highland Memorial Cemetery for his funeral.
Crenshaw worked as a forensics specialist for KPD and his work played a key role in the investigation into the 2007 murder of Chris Newsom and Channon Christian.