Replay live coverage of today's news conference on the Gail Palmgren investigation.
The conference was held at the Hamilton County Sheriff's Office at 600 Market St.
Palmgren, 44, disappeared on April 30 after she dropped her two children off at their Signal Mountain home.
Despite several searches in the area, her disappearance was a mystery until early December, when the remains of her body and her Jeep were found of the side of the mountain.
Authorities say her vehicle plunged off the side of East Brow Road on April 30.