2014 Calgary stabbing
| 2014 Calgary stabbing | |
|---|---|
| Location | 11 Butler Crescent NW, Calgary, Alberta, Canada |
| Coordinates | 51°5′25.4″N 114°7′35.4″W / 51.090389°N 114.126500°W |
| Date | April 15, 2014 1:20 a.m. MDT (UTC−06:00) |
Attack type | Mass stabbing |
| Weapon | Large knife |
| Deaths | 5 |
| Perpetrator | Matthew de Grood |
| Motive | Mental illness |
On April 15, 2014, Matthew de Grood, son of Calgary Police inspector Doug de Grood, stabbed five young adults to death at a house party in the Brentwood neighbourhood of Calgary, Alberta, Canada. The party was several blocks away from the University of Calgary campus, and held to mark the end of its school year. This incident marked the deadliest massacre in Calgary's history.