Follow up to Lone gunman shooting in Orlando Florida largest in escalating acts of gun violence in America – see this brief CRS report – Mass Shootings and Terrorism, Jennifer E. Lake, Section Research Manager. June 13, 2016.
“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 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…”

• See also the following subject matter expert resource via Greata E. Marlatt, Lone Wolf Terrorism – A Brief Bibliography