Desmond served 3 years before being dishonorably discharged from the Navy SEALs for intentionally forgetting about stealth leading to the deaths of his squad but himself. He completed the mission, and was discharged immediately after. He turned to crime partially due to financial trouble, but mostly due to boredom. He is trained and skilled with guns, thus his position as a gunman.
Desmond is very impatient and easily bored. He is an adrenaline junkie, always wanting to do something exciting. During heists, he will often eccentric and hyper. Despite his rash and reckless nature, when the time calls, he is able to formulate plans for a given situation. While he normally abandons his stealth training he will resort to it if a head on fight would result in his dea
He carries two .50 cal desert Eagles and several combat knives.
Desmond has a black, custom made car that he bought with money from his service as a SEAL.