The D.C. sniper attacks were a series of coordinated shootings that occurred during three weeks in October 2002 throughout the Washington metropolitan area, consisting of the District of Columbia, Maryland, and Virginia, and preliminary shootings, that consisted of murders and robberies in several states, and lasted for six months starting in February 2002. Seven people were killed, and seven others were injured in the preliminary shootings, and ten people were killed and three others were critically wounded in the October shootings. In total, the snipers killed 17 people and wounded 10 others in a 10-month span.
On March 10, 2009, Michael Kenneth McLendon, 28, fatally shot ten people and wounded six others between the communities of Kinston, Samson, and Geneva, Alabama. McLendon's shooting spree was the deadliest mass shooting in Alabama's history.
A mass shooting is a violent crime in which one or more attackers kill or injure multiple individuals simultaneously using a firearm. There is no widely accepted definition of "mass shooting" and different organizations tracking such incidents use different definitions. Definitions of mass shootings exclude warfare and sometimes exclude instances of gang violence, armed robberies, familicides and terrorism. The perpetrator of an ongoing mass shooting may be referred to as an active shooter.
On July 17, 2016, Gavin Eugene Long shot six police officers in Baton Rouge, Louisiana in an ambush attack, in the wake of the shooting of Alton Sterling. Four died, including one who was critically wounded and died from complications in 2022, and two others were hospitalized; of the officers who initially died, two were members of the Baton Rouge Police Department, while the third worked for the East Baton Rouge Parish Sheriff's Office. Long, who associated himself with organizations linked to black separatism and the sovereign citizen movement, was shot and killed by a SWAT officer during a shootout with police at the scene.
On June 14, 2015, sheriff's deputies in Greene County, Missouri, United States, found the body of Clauddine "Dee Dee" Blanchard in her Springfield house. She had been stabbed to death some days before. Her daughter Gypsy-Rose, well-known in the area due to her purported severe health problems, was missing, although her wheelchair and medications were in the house.
The Aztec High School shooting was a school shooting and murder–suicide that occurred on December 7, 2017, at Aztec High School in Aztec, New Mexico, United States. The perpetrator, William Atchison, a 21-year-old former student, entered the school in the morning disguised as a student and hid in the school restroom. He was discovered before he could launch a major attack, but fatally shot two students before killing himself. Investigators believe that the quick actions of the teachers in barricading doors to the classrooms helped prevent mass casualties.
The 2018 Toronto shooting, known locally as the Danforth shooting, was a mass shooting that occurred on Danforth Avenue in the Greektown neighbourhood of Toronto, Ontario, Canada on the night of July 22, 2018. Faisal Hussain killed two people and wounded thirteen using a Smith & Wesson M&P .40-calibre handgun. He died by suicide after a shootout with Toronto Police Service (TPS) officers. Despite a year long investigation, authorities were unable to determine a motive for the shooting. They noted that Hussain had mental health issues and a long time obsession with violence.
On August 4, 2019, 24-year-old Connor Betts shot and killed nine people, including his brother, and wounded 17 others near the entrance of the Ned Peppers Bar in the Oregon District of Dayton, Ohio. Betts was fatally shot by responding police officers 32 seconds after the first shots were fired. A total of 27 people were taken to area hospitals. It is the deadliest mass shooting to occur in Ohio since the 1975 Easter Sunday Massacre.
On December 10, 2019, a shooting took place at a kosher grocery store in the Greenville section of Jersey City, New Jersey. Three people were killed at the store by two assailants, David N. Anderson and Francine Graham. The assailants also wounded one customer and two police officers before being killed by police during an ensuing shootout. A Jersey City Police Department detective had also been shot and killed by the assailants at a nearby cemetery just before the grocery store attack.
On April 18 and 19, 2020, 51-year-old Gabriel Wortman committed multiple shootings and set fires at 16 locations in the Canadian province of Nova Scotia, killing 22 people and injuring three others before he was shot and killed by the Royal Canadian Mounted Police (RCMP) in Enfield.
On March 13, 2020, Breonna Taylor, a 26-year-old African-American woman, was fatally shot in her Louisville, Kentucky apartment when at least seven police officers forced entry into the apartment as part of an investigation into drug dealing operations. Three Louisville Metro Police Department (LMPD) officers—Jonathan Mattingly, Brett Hankison, and Myles Cosgrove—were involved in the shooting. Taylor's boyfriend, Kenneth Walker, was inside the apartment with her when the plainclothes officers knocked on the door and then forced entry. The officers said that they announced themselves as police before forcing entry, but Walker said he did not hear any announcement, thought the officers were intruders, and fired a warning shot at them. The shot hit Mattingly in the leg, and the officers fired 32 shots in return. Walker was unhurt but Taylor, who was behind Walker, was hit by six bullets and died. During the incident, Hankison moved to the side of the apartment and shot 10 bullets through a covered window and glass door. According to police, Taylor's home was never searched.
Dolal Idd was a 23-year-old Somali-American man who was killed in an exchange of gunfire with Minneapolis police officers at approximately 6:15 p.m. CST on December 30, 2020, after he shot at them from inside the car he was driving. The fatal encounter happened in the U.S. state of Minnesota during a police sting operation.
On March 22, 2021, a mass shooting occurred at a King Soopers supermarket in Boulder, Colorado, United States. Ten people were killed, including a local on-duty police officer. The alleged shooter, 21-year-old Ahmad Al Aliwi Al-Issa, was arrested after being shot in the right leg. He was temporarily hospitalized before being moved to the county jail. After undergoing mental evaluations during the legal proceedings, Al-Issa was found mentally incompetent to stand trial in December 2021 and in April 2022. On August 23, 2023, prosecutors announced that Al-Issa was mentally competent to stand trial; a judge ruled as such on October 6 of that same year.
The aftermath of the George Floyd protests in Minneapolis–Saint Paul describes the result of civil disorder between May 26 and June 7, 2020, in the Twin Cities metropolitan area of the U.S. state of Minnesota. Protests began as a response to the murder of George Floyd, a 46-year-old African-American man on May 25, after Minneapolis police officer Derek Chauvin knelt on Floyd's neck for 9 minutes and 29 seconds as three other officers assisted during an arrest. The incident was captured on a bystander's video and it drew public outrage as video quickly circulated in the news media by the following day.
Amir Locke, a 22-year-old Black American man, was fatally shot on February 2, 2022, by SWAT officer Mark Hanneman of the Minneapolis Police Department inside an apartment in Minneapolis, Minnesota, where police were executing a no-knock search warrant in a homicide investigation. The officer-involved shooting was reviewed by the office of Minnesota Attorney General Keith Ellison, the office of Hennepin County attorney Michael Freeman, and the Minnesota Bureau of Criminal Apprehension. Ellison and Freeman declined to file criminal charges against the officer who shot Locke in a report released on April 6, 2022.
On May 14, 2022, a mass shooting occurred in Buffalo, New York, United States, at a Tops Friendly Markets supermarket in the East Side neighborhood. Ten people, all of whom were African Americans, were murdered and three were injured. The shooter, identified as 18-year-old Payton S. Gendron, livestreamed part of the attack on Twitch, but the livestream was shut down by the service in under two minutes. Gendron was taken into custody and charged with first-degree murder. He formally entered a plea of "not guilty" on May 19, 2022. On November 28, 2022, Gendron pleaded guilty to all state charges in the shooting, including murder, domestic terrorism, and hate crimes. On February 15, 2023, Gendron was sentenced to 11 consecutive life sentences without the possibility of parole; as of that date, federal charges are still ongoing, and the federal prosecution also expressed their intention to seek the death penalty.
The Uvalde school shooting was a mass shooting that occurred on May 24, 2022, at Robb Elementary School in Uvalde, Texas, United States, when 18-year-old Salvador Ramos, a former student at the school, fatally shot 19 students and two teachers, while 17 others were injured but survived. After shooting and severely wounding his grandmother at their home earlier that day, Ramos drove to and entered the school, remaining in an adjoining classroom for more than an hour before members of the United States Border Patrol Tactical Unit fatally shot him after they bypassed numerous local and state officers who had been in the school's hallways for over an hour.
On July 17, 2022, a mass shooting occurred at the Greenwood Park Mall in Greenwood, Indiana, United States. The shooting occurred at 5:56 p.m. EDT (UTC−04:00) and lasted less than one minute. Three people were killed and two others were injured in the shooting before the perpetrator, 20-year-old Jonathan Sapirman, was fatally shot by 22-year-old Elisjsha Dicken, a legally-armed civilian bystander.
On November 22, 2022, Andre Marcus Bing killed six co-workers and injured four others before killing himself, in retaliation for perceived workplace harassment at the Walmart Supercenter where he worked as a night-supervisor in Chesapeake, Virginia, United States. Bing's suicide note cited concern he was being "led by Satan" and asking forgiveness - while also mentioning cancer treatments and loneliness.
