Avogadro

"He is mute."Avogadro is a police executioner working in the Liman Police Department with the other police officers.

Appearance
Avogadro is a slightly taller police officer who carries a machete with him to execute prisoners for their crimes.

Part 3
Avogadro appears when Vaske and Jovan are carried to a wall where they were supposed to be executed. Avogadro is commanded by another higher ranking officer to execute them. Avogadro decapitates Jovan, but before he could execute Vaske, he broke his handcuffs and escaped.

Trivia

 * Avogadro's name comes from the number 6.0221409e+23.