Eric Walker removed 2017-10 Las Vegas shooting from Murder and violent crime in the United States
Eric Walker removed 2017-10 Las Vegas shooting from Shootings and terrorist attacks
Eric Walker placed 2017-10 Las Vegas shooting under Shootings and terrorist attacks in the United States
Eric Walker added Columbine anniversary: guns are still the problem behind mass shootings - Vox 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 2017-10 Las Vegas shooting and 2014-06 Las Vegas shootings and a number of links to Las Vegas, and added Las Vegas to Nevada
Eric Walker added Half a decade has passed since the deadliest mass shooting in modern US history. To this day no motives in the shooter have been discovered. : UnresolvedMysteries and Columbine anniversary: guns are still the problem behind mass shootings - Vox to 2017-10 Las Vegas shooting, and added 2017-10 Las Vegas shooting to Shootings and terrorist attacks, Las Vegas and Murder and violent crime in the United States
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