Related by context. Frequent words. (Click for all words.) 35 Maurice Clemmons 34 Dylan Klebold 33 Fort Hood Texas 32 Columbine High 31 Fort Hood 31 gunman 30 JonBenet Ramsey 29 Klebold 28 spokeswoman Monique Bond 28 Littleton Colo. 28 shooting rampage 28 Arvada 28 shootings 27 Hengel 27 Kazmierczak 27 Crandon 27 Seung Hui Cho 26 Arapahoe County 25 Sjodin 25 shooting spree 25 lone gunman 25 powered rifle 25 classmates 25 Derrick Bird 24 Hainstock 24 moderate Hutus 24 JonBenet 23 Robida 23 Rep. Gabrielle Giffords 23 Blanning 23 Congresswoman Gabrielle Giffords 23 Columbine 23 room schoolhouse 23 Colorado Springs 22 Jeffco 22 handguns 22 Tyler Clementi 22 Loughner 22 rampage 21 Alfred P. Murrah 21 Jared Loughner 21 Cho Seung Hui 21 7NEWS 21 Vail Mountain 21 sniper shootings 21 Littleton 21 Odgren 21 Mayerthorpe 21 Dupnik 21 Harvey Milk 20 Lee Loughner 20 Coors Field 20 Darrent Williams 20 Giffords 20 Penley 19 Beslan 19 Bruce Ivins 19 concealed weapons 19 Fort Collins 19 Phoebe Prince 18 Boulder 18 Bill Ritter 18 Poudre 18 Ivins 18 concealed carry 18 Prevent Gun Violence 17 Arapahoe 17 Cherry Creek 17 Malvo 17 Colorado 17 postelection violence 17 cyberbullying 17 Eveleth 17 Garfield 17 Michael Bennet 16 Matthew Shepard 16 Weise 16 Basalt 16 Mauser 15 Blacksburg 15 Ward Churchill 15 cyber bullying 15 terrorist attacks 15 Unabomber 15 Virginia Tech 14 Tutsis 14 Morva 14 John Hickenlooper 13 Dunblane 13 George Tiller 13 hijacked planes 13 bullying 13 Holocaust Memorial 12 GLSEN 12 Hickenlooper 12 massacre 12 prairie dogs 11 yearbook 10 Nazi Holocaust 9 Hinckley 1 Holocaust