May 7, 1981 - In Salem, Oregon, 25-year-old mill worker Lawrence Moore opens fire with an automatic pistol in a tavern, killing four people. He is convicted and sentenced to four life terms.
June 22, 1980 - In Daingerfield, Texas, 45-year-old Alvin Lee King, carrying four weapons, bursts into the First Baptist Church and shoots to death five people. In 1982, while awaiting trial, King hangs himself in his cell.
1970s April 27, 1979 - In San Antonio, Texas, 65-year-old Ira Attebury, a veteran of World War II, sits in a parked motor home and kills two people and wounds 31 others attending a parade. He then kills himself. His motor home is loaded with an assortment of weapons.
August 26, 1977 - In Hackettstown, New Jersey, 20-year-old ex-marine Emil Benoist lies in wait along a trail and murders six joggers and motorcyclists. His weapon of choice is a .44-caliber rifle. After being approached by police, Benoist kills himself.
July 12, 1976 - In Fullerton, California, 36-year-old janitor, Edward Charles Allaway, using a rifle, kills seven people in the library of California State University, Fullerton. He is found not guilty by reason of insanity and committed to a state mental hospital.
January 7, 1973 - In New Orleans, Louisiana, 23-year-old Mark Robert James Essex, using a .44 magnum carbine, kills seven people and wounds 13 more in a rampage at a Howard Johnson motel. Police snipers later kill him. Police later linked Essex to the shooting of two other people on New Year's Eve 1972.
June 21, 1972 - In Cherry Hill, New Jersey, 33-year-old Edwin Grace kills six people at an employment agency and seriously wounds himself. He carried a sawed-off .22 caliber rifle in each hand. He dies in custody several weeks later from the self-inflicted gunshot wound.
1960s August 1, 1966 - University of Texas. Charles Joseph Whitman, a former U.S. Marine, kills 16 and wounds at least 30 from a university tower. Police officers Ramiro Martinez and Houston McCoy shoot and kill Whitman in the tower. Whitman had also killed his mother and wife earlier in the day.
1940s September 5, 1949 - In Camden, New Jersey, 28-year-old Howard Unruh, a veteran of World War II, shoots and kills more than a dozen people as he walks down Camden's 32nd Street. His weapon of choice is a German-crafted Luger pistol. He is found insane and is committed to a state mental institution. He dies at the age of 88.