The Last Scoop

The scariest kind of serial killer—one you don't know exists

Martin Barlow was Clare Carlson's first newspaper editor, a beloved mentor who inspired her career as a journalist. But, since retiring from his newspaper job, he had become a kind of pathetic figure—railing on about conspiracies, cover-ups, and other imaginary stories he was still working on. Clare had been too busy with her own career to pay much attention to him.

When Martin Barlow is killed on the street one night during an a...