The entire plan would be a comedy of errors if people weren't killed. Or an action thriller. Or both actually.
A couple of naive youngsters dreaming of political freedom swayed by a manipulative schemer to kill a guy who wasn't really responsible for anything.
Plan failing completely because nobody in the group was even close to competent, until a driver took the wrong turn.
I wrote about it my sci fi fiction novel. It was a whole messy errors that lead to the assassination. I had hell of fun writing how a man going back in an attempt to stop it.
When you think about it, it really did change the world for almost a century. It lead to ww1 which sowed the seeds for ww2 and when that came to end, communism had been strengthened enough by stalin capatalizing under the pretence of a nazi free Europe.