Colleges are often the setting, and the target, of the nation’s most heated politics. Charlie Kirk’s work on campuses was one factor.

"Real Time" host Bill Maher and Daily Wire co-founder Ben Shapiro debate the political motivations of the 22-year-old accused of assassinating Turning Point USA co-founder Charlie Kirk.

Scott Sperry jotted his name down on a sign-up sheet. The 22-year-old student at Utah Valley University had watched Charlie Kirk's videos for years and credits the conservative firebrand with being a catalyst in his own political involvement.