Bourmus was a member of the Scantid Pirates. When they took up refuge in the Tarsonis Ghost Academy, Bourmus was assigned with Sera to stand guard. When the Dominion Marine Corps's Meatbag Squadron arrived, Bourmus was caught by surprise and gunned down by gauss rifle fire.
References
Jurgens-Fyhrie, Gavin. "Just an Overlord." (March 21, 2013). Blizzard Entertainment. StarCraft Lore: Just an Overlord Accessed 2013-03-25. an Overlord] Accessed 2013-03-25.