Check Out These Lovely New Heartland Institute Murder Billboards

How about a little Fire, scarecrow?
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The sky *may* be blue, but who's to say that what I think is blue is what Ted Kaczynski thinks is blue?

Well Ted Bundy was a Republican, but he was more of a serial killer than a mass murderer so I'm not sure he fits your criteria.

University years
After graduating from high school in 1965 Bundy spent a year at the University of Puget Sound (UPS) before transferring to the University of Washington (UW) in 1966 to study Chinese. In 1967 he became romantically involved with a UW classmate who is identified in Bundy biographies by several pseudonyms, most commonly Stephanie Brooks. In early 1968 he dropped out of college and worked at a series of minimum-wage jobs. He also volunteered at the Seattle office of Nelson Rockefeller's presidential campaign,[34] and in August, attended the 1968 Republican National Convention in Miami as a Rockefeller delegate. Shortly thereafter Brooks ended their relationship and returned to her family home in California, frustrated by what she described as Bundy's immaturity and lack of ambition. Psychiatrist Dorothy Lewis would later pinpoint this crisis as "… probably the pivotal time in his development." Devastated by Brooks' rejection, Bundy traveled to Colorado and then further east, visiting relatives in Arkansas and Philadelphia, and enrolling for one semester at Temple University. It was at this time in early 1969, Rule believes, that Bundy visited the office of birth records in Burlington and confirmed his true parentage.
Back in Washington in the fall of 1969, he met Elizabeth Kloepfer (identified in Bundy literature as Meg Anders, Beth Archer, or Liz Kendall), a divorcée from Ogden, Utah who worked as a secretary at the University of Washington School of Medicine. Their stormy relationship would continue well past his initial incarceration in Utah in 1976. In mid-1970, now focused and goal-oriented, he re-enrolled at UW, this time as a psychology major. He became an honor student, well-regarded by his professors.[40] In 1971 he took a job at Seattle's Suicide Hotline crisis center. There he met and worked alongside Rule, a former Seattle police officer and aspiring crime writer who would later write one of the definitive Bundy biographies, The Stranger Beside Me. Rule saw nothing disturbing in Bundy's personality at the time, describing him as "kind, solicitous, and empathetic".
After graduating from UW in 1972, Bundy joined Governor Daniel J. Evans' reelection campaign. Posing as a college student, he shadowed Evans's opponent, former governor Albert Rosellini, recording his stump speeches for analysis by Evans' team. After Evans' reelection he was hired as an assistant to Ross Davis, Chairman of the Washington State Republican Party. Davis thought well of Bundy, describing him as "smart, aggressive … and a believer in the system." In early 1973, despite mediocre Law School Admission Test scores, Bundy was accepted into the law schools of UPS and the University of Utah on the strength of letters of recommendation from Evans, Davis, and several UW psychology professors.
During a trip to California on Republican Party business in the summer of 1973, Bundy came back into the life of ex-girlfriend Brooks, who marveled at his transformation into a serious, dedicated professional, seemingly on the cusp of a distinguished legal and political career.

Some of the COMPLETELY JUSTIFIED contempt they hold.

Are they underestimating the public's intelligence? They'll never get rich that way!