On October 9, 1991, Cornelius Corky Kasten Jr., 36, was murdered in his home in Wayne, New Jersey. Harris allegedly killed Kasten’s fiancée, Carol A. Ott, with a samurai sword and then shot Kasten once in the head while he sat in a chair watching television.

The same assailant went on to attack the Ridgewood post office the same morning, killing two mail handlers, Joseph M. VanderPaauw and Donald McNaught, before barricading himself inside and surrendering after a four-and-a-half-hour standoff. Harris had been fired from the Ridgewood post office and reportedly blamed Ott, his former supervisor, for his dismissal; investigators found a history of threatening behavior.

Harris was charged with four counts of murder plus attempted murder and weapons charges; his attorneys raised an insanity defense. A jury later found him guilty and sentenced him to death. Did anyone who knew Cornelius Kasten Jr. or his circle notice threats or troubling behavior before October 9, 1991?