Pressed to Kill: Inside Newspapers' Worst Mass Murder

For all Tom Marquardt knew, Capital Gazette just had an unhappy reader. What he didn't know was that the unhappy reader was about to become a mass murderer.

Marquardt, the former editor of Capital Gazette newspapers in Annapolis, MD, was a target of a 38-year-old loner who sought to avenge a 2011 article that reported the reader's conviction of sexually harassing a former high school classmate. For years the man sued the editor, the reporter and the newspaper for defamation, then took to Twi...