Charlie Kirk shot dead in Utah during gun violence debate. Tyler Robinson charged with killing Kirk. Robinson not transgender; no evidence linking motive to transgender issues. Transgender roommate cooperated with police. Heritage Foundation and Oversight Project petition FBI to classify 'Transgender Ideology-Inspired Violent Extremism' as domestic terror threat. Cited Kirk's killing among 11 extreme acts. Less than 0.1% of mass shootings involve transgender people. Critics warn move reinforces anti-trans rhetoric