After the shooting: Politicians have responsibility to lead talks about firearms and the unstable by
Aurora Police Trained for Major Shooting Spree, by Robert Beckhusen
'Dark Knight' Shooting: Mass Murder Up, Even While Gun Violence Down by Ron Dicker at Huff Post. Actually, mass murder is holding steady but at least he provides some of the statistics.
Going Postal, Pre-Pistol: How did mass murderers operate before the advent of modern weapons?, by Brian Palmer
Gun control or carry permits won't stop mass murder By James Alan Fox, the Lipman Family Professor of Criminology, Law and Public Policy at Northeastern University in Boston and co-author of "Extreme Killing: Understanding Serial and Mass Murder." He writes the Crime and Punishment blog for the Boston Globe.
Is Cinema Security Changed Forever? by Jared Shelly
Mass Killings Don’t Make Good Gun Control Examples at RangelMD
Mass murders defy falling homicide rate, by by Joel Achenbach
Mass public killings under 1% of all murders, by Charles Lewis
No increase in mass shootings, by James Allen Fox
Reassessing cinema security in the wake of Colorado's movie theater massacre by Whit Richardson at Security Director News
Red flags missed in mass shootings, by Journal Sentinel of the
The Fear Factor, by Mark Ragins
Viral Violence: Do violent attacks occur in clusters? By Katy Waldman at Slate
Warning behaviors sought to stop killings, by Bob Ortega of The Republic | azcentral.com
Warning signs of violence: What to do, by Dr. Charles Raison
We’ve Seen This Movie Before By Roger Ebert
What Bank Robberies Can Teach Scared Moviegoers, by Nick Catrantzos
Several resources were not written in response to the Aurora shootings but provide useful background, assistance, statistics, or perspective.
10 Tips to Mitigate Workplace Violence and Threats By Felix P. Nater for Security magazine. Felix has been one of the go to guys on this issue since the beginning.
A Circle of Distortion: The Social Construction of Mass Murder in the United States by Grant Duwe, the director of research and evaluation for the Minnesota Department of Corrections
Mass Murder in the United States by Grant Duwe. Awesome book! If you would have an opinion on this topic you should read it.
Opinion: The Rise and Decline of Mass Shootings by Grant Duwe for AOLNews
Summary of Research on Mass Murder by John Klofas at the Center for Public Safety Initiatives, Rochester Institute of Technology
Image credit: http://en.wikipedia.org/wiki/Chaff