‘We’re Going to Take Over the World’

One of the many legacies of Sept. 11 was a new era of conspiratorial thinking. This is a look at the online film that crystallized it.

Long-Buried Secrets: The Serial Killer and the Detective

For decades, a string of killings of teenage girls haunted suburban New Jersey. A local investigator began to wonder: Could there be a link to a series of infamous Times Square murders?