Deek is first encountered in the mission "Spare the Rod, Spoil the Bandit". He is also mentioned in "Exhuming and Other Fine Hobbies". He is situated along with Williamson on the escarpment, holding a gun on John Marston and Marshal Leigh Johnson's posse. Deek then leads the assault immediately after this encounter. Deek survives, having only minor wounds, and is arrested by Johnson.