Officer's Son Suspected in Calgary Mass Murder

The man suspected of fatally stabbing five people in their 20s at a northwest Calgary, Alberta, house party is the son of a veteran police officer, according to the city's chief of police.

Matthew de Grood is in custody after four males and a female died following the early-morning stabbings in the city’s Brentwood neighbourhood, just north of the University of Calgary campus. 

Matthew de Grood is expected to be charged with five counts of first-degree murder after five people were stabbed to death at a house party early Tuesday morning. (St. Francis High School yearbook)

Calgary Police Services Chief Rick Hanson told CBC News de Grood will likely be charged with five counts of first-degree murder later this afternoon.

The stabbings happened around 1:20 a.m. MT on Tuesday at a house party celebrating the end of university classes, police said.