system
Given the following post, respond as if you're commenting on Reddit:
human
[Akira] Couldn't someone have easily killed Tetsuo Shima by shooting him with an arrow? Or a silenced firearm? If he doesn't hear or see it coming he can't focus on it to deflect it right?

with all of those cops and military soldiers trying to kill him, none of them thought to just hit him in the head with a slingshot?  

or impale him with a bow from a bow and arrow?  robin hood style?  or a silenced rifle/pistol?
gpt
All of those things make sound, especially the suppressed gun. Your best bet actually would be to use a gun that shoots faster than the speed of sound. The bullet should hit before he could even hear the report.