Warren was one of the Freelancers, a group that swore to protect the timelines. During the final battle of the Freelancers, he was killed by Brad Tonkin.
Warren was first seen snatching bodies and killing witnesses.
According to a Showcase timeline, Warren time travelled to 1992, the same year as Jason, from the future.
- Warren was able to kill people without being noticed.
- Warren has exceptional fighting skills as he is able to match Kiera Cameron in combat.
- Warren is a highly skilled operator.