As young boys, he and his older brother Brian witnessed the murder of their mother, Laura Moser, and were left for two days in a shipping container filled with blood. Soon afterwards, Dexter was adopted by Harry Morgan, who hoped to help repress his memory of the death of his mother.
However, he soon realized that Dexter had an insatiable urge to kill that would begin to intensify.
She winds up an alcoholic, pregnant drug addict and is forced to get an abortion. Not to burden their parents, the two high school sophomore's decide to hop the freights and look for work.Martin is described as 5’ 5” in height and weighs approximately 128 pounds.She is known to be from the area of the City of Livingston.Harry, frustrated with the number of people who avoided justice, decided to train Dexter as a killer who would target and dispatch other murderers.Dexter considers himself emotionally divorced from the rest of humanity; in his narration, he often refers to "humans" as if he is not one of them.