What this logic demands for probable cause: a slow-motion film from all angles in close-up coverage of every step of the murder, like it's a movie, and even then Lionel would demand the film be made by Candace Owens.
The rifle:
1/ owned by Tyler;
2/ found near the scene;
3/ matches the shape of what he carried off the roof;
4/ Tyler & Twiggs DNA found on it;
5/ bullets w/ marks to show political motive;
6/ screwdriver & towel carrying it match Tyler DNA;
7/ consistent with the murder weapon.