In this twisting documentary, a mechanic tries online dating for the first time and meets a woman who takes romantic obsession to a deadly extreme.

A woman’s Holocaust memoir takes the world by storm, but a fallout with her publisher-turned-detective reveals her story as an audacious deception created to hide a darker truth.

In April 2013, chaos erupted in Boston near the finish line of one of the world’s oldest and most prestigious marathons. It was the worst terrorist attack on the United…