Mass Shootings and Terrorism: CRS Products
Jennifer E. Lake
Section Research Manager
June 13, 2016
Congressional Research Service
7-5700
www.crs.gov
R44520

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n Sunday, June 12, 2016, approximately 50 people were killed (including the alleged
assailant), and 53 more were injured in an attack on a nightclub in Orlando, FL, that
O catered to the lesbian, gay, bi-sexual, and transgender (LGBT) community. The alleged
assailant was armed with an AR-15-type assault rifle and a pistol. The Bureau of Alcohol
Tobacco, Firearms, and Explosives (ATF) has reported that these weapons were legally purchased
in Florida. During the assault on the nightclub, the alleged assailant reportedly called 911 to
pledge allegiance to ISIS. The assailant was killed by police after a standoff that lasted
approximately three hours. This incident is the worst mass shooting in U.S. history to date.
CRS has several different products on issues relevant to the mass shooting incident in Florida.
These issues include mass murder with firearms, firearms regulation, domestic terrorism, and hate
crime. Below are key products on these issues. Please contact the authors of the individual
reports for additional information on the issues.

CRS Report R44126, Mass Murder with Firearms: Incidents and Victims, 1999-2013, by William
J. Krouse and Daniel J. Richardson.
CRS Video WVB00081, Mass Murder with Firearms, by William J. Krouse (video).
CRS Report R42336, Terrorist Watch List Screening and Background Checks for Firearms, by
William J. Krouse.
CRS Insight IN10299, Sifting Domestic Terrorism from Other Illegal Activity, by Jerome P.
Bjelopera.
CRS Report R41780, The Federal Bureau of Investigation and Terrorism Investigations, by
Jerome P. Bjelopera.
CRS Report R42536, The Domestic Terrorist Threat: Background and Issues for Congress, by
Jerome P. Bjelopera.
CRS Report R41416, American Jihadist Terrorism: Combating a Complex Threat, by Jerome P.
Bjelopera.
CRS Report R42957, Federal Assault Weapons Ban: Legal Issues, by Vivian S. Chu.


Author Contact Information

Jennifer E. Lake

Section Research Manager
jlake@crs.loc.gov, 7-0620

Congressional Research Service
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