Here is a look at other shooting rampages in the United States:

❚ Oct. 1, 2017: Stephen Paddock, 64, fires more than 1,000 rounds from a

32nd-floor hotel suite on concertgoers at the Route 81 Harvest Music Festival, killing 58 people and leaving hundreds injured. Paddock is later found dead of a self-inflicted gunshot wound. His motive remains unknown.

❚ June 12, 2016: Omar Mateen, a

29-year-old security guard, kills 49 people and wounds 58 others at Pulse, a gay nightclub in Orlando, Florida, that was hosting a Latin night. Mateen is killed by police.

❚ April 16, 2007: Seung Hui Cho, a

23-year-old student, goes on a shooting spree at Virginia Tech in Blacksburg, Virginia. He kills 32 people before killing himself.

❚ Dec. 14, 2012: Adam Lanza, 20, guns down 20 children and six adults at Sandy Hook Elementary School in Newtown, Connecticut, before killing himself.

❚ Oct. 16, 1991: George Hennard, 35, crashes his pickup through the wall of Luby’s Cafeteria in Killeen, Texas. He shoots and kills 23 people before committing suicide.

❚ July 18, 1984: James Huberty, 41, guns down 21 adults and children at a McDonald’s in San Ysidro, California, before being killed by police.

❚ Aug. 1, 1966: Charles Joseph Whitman, a former U.S. Marine, shoots and kills 16 people from a tower at the University of Texas in Austin before being shot by police.

❚ Aug. 20, 1986: A part-time mail carrier, Patrick Henry Sherrill, shoots

14 postal workers to death in Edmund, Oklahoma, before killing himself.

❚ Dec. 2, 2015: Syed Farook and Tashfeen Malik, a married couple living in Redlands, California, open fire at a San Bernardino County Department of Public Health training event and holiday party, killing 14 people and injuring 22. Farook, an American-born U.S. citizen of Pakistani descent, worked at the health department. Malik had pledged allegiance to the Islamic State in a Facebook post.

❚ Nov. 5, 2009: U.S. Army Maj. Nidal Hasan shoots and kills 13 people and injures 30 at Fort Hood near Killeen, Texas. Hasan, a psychiatrist, appeared to have been radicalized by an Islamic cleric. He is convicted and sentenced to death.

❚ Sept. 16, 2013: Gunman Aaron Alexis,

34, fatally shoots 12 people and injures three at the headquarters of the Naval Sea Systems Command in Washington, D.C. He is killed by police.

❚ July 20, 2012: James Holmes guns down 12 people in a movie theater in Aurora, Colorado. He is convicted of first-degree murder and attempted murder and sentenced to 12 consecutive life sentences plus 3,318 years without parole.

❚ Oct. 1, 2015: Christopher Harper-Mercer, 26, a student at Umpqua Community College near Roseburg, Oregon, shoots an assistant professor and eight students. After a shootout with police, he commits suicide.

❚ June 18, 2015: A gunman opens fire at a weekly Bible study at the Emanuel African Methodist Episcopal Church in Charleston, South Carolina. Nine people are killed, including pastor Clementa Pinckney; a 10th victim survives. The morning after the attack, police arrest a suspect, Dylann Roof, 21. In December 2016, Roof is convicted of 33 federal hate crimes charges and sentenced to death.

❚ July 16, 2015: Muhammad Youssef Abdulazeez opens fire on two military installations in Chattanooga, Tennessee. The first is a drive-by shooting at a recruiting center; the second is at a Navy Reserve center. Four Marines and a sailor die; a Marine recruit officer and a police offer are wounded. Abdulazeez is killed by police.

❚ Nov. 27, 2015: A gunman attacks a Planned Parenthood clinic in Colorado Springs, Colorado, killing a police officer and two civilians and injuring nine. Robert Lewis Dear is charged with first-degree murder.