Samantha was first discovered on a mission to capture the rouge Wolf on a westbound Amtrak twenty miles out of Denver.

Wolf was killing passengers and agents in his attempt to get away. Samantha unleashed her powers to stop Wolf and prove to herself that she is not a curse and danger to others. Samantha killed most of the people on the train expect her and wolf, the total was one hundred and thirty two people she killed in her first act of her powers.

It was after this incident that she was brought into the fold of hunter-killer world by Morningstar.

Samantha Argent is a Stellar and focused operative, but she never has forgotten the victims of that train. Nor does she ignore the casualties she feels responsible for when in the field. Samantha keeps a tally sheet of those lives she feels responsible for taking and those that she has saved.