Investigators with the FBI and NCIS searched the banks of the Tennessee River off River Canyon Road today.
Six people searched the riverbank, although they declined to say why. The area of the search appeared to be a campsite, and the investigators were searching with a metal detector.
About 200 FBI personnel flooded Chattanooga after the July 16 shooting at two military sites in Chattanooga that killed five service members.
The FBI has said they are investigating 400 leads in the case, and last week agents were spotted searching a wooded area near the intersection of Amnicola Highway and Highway 153, along the shooter's route.