Swamp Murders

After two women found on the bottom of Georgia's Flint River lead, detectives suspect a serial killer, and find more bodies and betrayal.

A Missouri bank is robbed and the bank president is missing.

Near Asheville, N.C., a young mother is stabbed four times in the chest and left for dead in the French Broad River, but she survives long enough to seek out help and to leave a cryptic clue for detectives.

In Beaumont, Texas, a young woman goes missing from a broken-down car while waiting for her husband's return; the nearby Big Thicket Swamp may hold the answer to her disappearance.

A Lakota teenager disappears from the town of Mobridge, S.D., causing racial tensions to erupt; when her body is found in the shallows of the Missouri River, detectives are confounded on both sides of the divide.

In Crox Springs, La., a young woman disappears from the parking lot of a roadhouse, and her frantic boyfriend suspects she has reconnected with an old flame with deadly consequences.