The Menendez Brothers

A string of threatening emails escalates into a revenge plot involving a newly married US marshal and his ex-girlfriend.

New exclusive access and never before heard testimony gives a unique insight into the mind of America's most notorious serial killer, Ted Bundy. Breathtaking archive from the time and the voice of Bundy himself, reveals the monster inside the man.

Aileen Wuornos remains a rarity: a female serial killer. From childhood abuse to death-row revelations, this documentary revisits her life and crimes.

The line between justice and revenge blurs when a devastated family uses social media to track down the people who killed 24-year-old Crystal Theobald.