From Destinypedia, the Destiny wiki
Trustee is a Legendary Scout Rifle that can be acquired from the Security encounter in the Deep Stone Crypt Raid. Opening the Security Spoils chest, accessible after defeating Taniks, the Abomination, has a chance to drop this weapon.
The weapon is eligible for randomized perks, but the following is the curated roll. The curated roll currently does not drop from the raid.
The following are the randomized perks for the weapon.
List of appearances