- last post: 01.01.0001 12:00 AM PDT
I'm pretty sure this is impossible, for three reasons.
One: He was turned in to a Flood.
Two: The Chief took his Neural interface, which meant he had to rip his brain open.
Three: The Chief destroyed Halo, and everyone and everything on it. Captain Jacob Keyes is dead, the evidence is just piled too high against him.