Eric Walker removed 2019-05 STEM School Highlands Ranch shooting from Shootings and terrorist attacks
Eric Walker removed 2019-05 STEM School Highlands Ranch shooting from Murder and violent crime in the United States
Eric Walker placed 2019-05 STEM School Highlands Ranch shooting under Shootings and terrorist attacks in the United States
Eric Walker added STEM School Highlands Ranch shooting - Wikipedia to a number of topics
Eric Walker added a number of topics and a number of links to Murder and violent crime in the United States, and added Murder and violent crime in the United States to United States and Murder and violent crime
Eric Walker added STEM School Highlands Ranch shooting - Wikipedia and Nolte: Media Quickly Lost Interest in Politically Inconvenient School Shooting to 2019-05 STEM School Highlands Ranch shooting, and added 2019-05 STEM School Highlands Ranch shooting to Colorado, Shootings and terrorist attacks and Murder and violent crime in the United States
Eric Walker added a number of topics and a number of links to Colorado, and added Colorado to US states and territories
Eric Walker added a number of topics and a number of links to Shootings and terrorist attacks, and added Shootings and terrorist attacks to Extremism and state-sponsored violence and Murder and violent crime