matricide
act of killing one's mother
Sandy Hook Elementary School shooting
2012 school massacre in Newtown, Connecticut, United States
Nepalese royal massacre
event on 1 June 2001 in Kathmandu, Nepal in which Crown Prince Dipendra killed most of the royal family (including King Birendra and himself) with a gun
Plymouth shooting
fatal incident in Plymouth, England, UK in August 2021
University of Texas Tower Shooting
mass shooting