April 22, 1992 – December 14, 2012 (aged 20)
Exeter, New Hampshire, USA
Adam Lanza was the perpetrator of the Sandy Hook Massacre on December 14, 2012. He killed 27 people (including his own mother) before shooting himself.
![The 2012 Sandy Hook Massacre & What Led Up To It [Adam Lanza]](https://image.tmdb.org/t/p/w780/2IE4QV6N8VSbFKkIHau5Bbs1oAU.jpg)