. >>> 30 years had passed since the brutal murder of her uncle tim, yet heather coggins and her familyver stopped praying for justice. >> reporter: did that haunt the family, not having those answers? >> absolutely, absolutely. it haunted our family until july 26, 2016, when sheriff dix called and said hey, i think we're going to reopen tim's case. >> reporter: sheriff dowle dix was born and raised in griffin. >> without a doubt, it's the right thing to do. i want to give closure to the coggins family. i want to let timothy coggins rest in peace. >> reporter: heather remembers her grandmother calling out to tim from her death pedestriabed. >> she was like oh, tim, help me tim. she always wanted js tustice fo him. >> reporter: in 2016, agents from the gbi reached out to sheriff dix. >> within the bureau of investigation, field agents are assigned cold case files, and i was assigned the cold case file of timothy coggins. i was able to identify a couple of investigative leads in the case. i came and met with sheriff dix at the spalding county sheriff's office. >> reporter: together, two a