Conversations with a Killer: The John Wayne Gacy Tapes

When their 4-year-old son is murdered, a young couple fights a twisting and arduous battle trying to identify a frustratingly elusive killer.

The history of military tanks unfolds in a documentary series that traces their role in history and geopolitics from World War I to the 21st century.

When relationships go bad and one partner becomes obsessive, the gruesome fact is that, sometimes, the victim can pay the ultimate price.

Henry Lee Lucas rose to infamy when he confessed to hundreds of unsolved murders. This docuseries examines the truth -- and horrifying consequences.

Explore wild, wondrous Vancouver Island, where the ocean nurtures all life, from bald eagles who go fishing to sea wolves who swim in frigid waters.

After a harrowing home invasion and kidnapping in 2015, a couple is accused of staging the ordeal when the woman reappears, haunting the couple with a new series of tortures.