Hunter-Jen (Earth-2356)

Hunter-Jen, also known as the Corpse Processing Team, was a special team within Kirigak Jedi Order's Anbu, consisting of individual Jedi High Masters known as hunter-jen, which are given the specific duty of hunting down rogue Jedi. They completely erase the person they're searching for by means of their superior assassination techniques and medical skills.

Source

 * https://naruto.fandom.com/wiki/Hunter-nin