One of these events in California was perpetrated by a man in 1976 who believed his estranged wife was being forced to star in pornographic films. The Cullen Report investigated another one of these events, which led to the formation of the Snowdrop Petition. A more recent one of these events saw Cassie Bernall stating "yes I believe" when asked if she believed in God, moments before she died. Ramiro Martinez and Houston McCoy were able to end another of these events which saw an airplane took fire after its perpetrator perched from the observation deck of a building called "the Tower."  In addition to the afore-described one committed by shopkeeper Thomas Hamilton in Dunblane, Scotland, this type of event was perpetrated by a man who had a
One of these events in California was perpetrated by a man in 1976 who believed his estranged wife was being forced to star in pornographic films. The Cullen Report investigated another one of these events, which led to the formation of the Snowdrop Petition. A more recent one of these events saw Cassie Bernall stating "yes I believe" when asked if she believed in God, moments before she died. Ramiro Martinez and Houston McCoy were able to end another of these events which saw an airplane took fire after its perpetrator perched from the observation deck of a building called "the Tower."  In addition to the afore-described one committed by shopkeeper Thomas Hamilton in Dunblane, Scotland, this type of event was perpetrated by a man who had a glioblastoma in his brain, Charles Whitman. More notably, this type of event happened in 1999 by two men suspected of being part of the Trenchcoat Mafia. For 10 points, name this type of event perpetrated by Klebold and Harris at Columbine.
One of these events in California was perpetrated by a man in 1976 who believed his estranged wife was being forced to star in pornographic films.
{school shootings} [accept anything mentioning (schools, universities, high schools, etc.) and (shooting, massacres, killing sprees, mass murders etc.), prompt on partial answers]