(WARNING! Major spoilers to the first Left 4 Dead and the Sacrifice comic!)

William "Bill" Overbeck is a Vietnam War veteran and survivor of the Green Flu epidemic. Many things define Bill; skilled, perceptive, cautious, and dedicated. He was willing to sacrifice himself in Rayford, Georgia so his comrades can escape the danger of the infected by heading to the Florida Keyes.

There, in Rayford, Bill met his fate, and found his final resting place...

...or did he?