William Bell, who warns her that the shapeshifters active in her universe are looking for Newton, since his resurrection will make it possible for the shapeshifters to re-open the gateway between their universes. Olivia is returned to her universe, but does not remember the details of her meeting with Bell in time to stop the shapeshifters from succeeding in recovering Newton's cryogenically frozen head, and revive Newton. Headed by Newton, the shapeshifters start tracking down and extracting pieces of brain tissue from three separate mental patients. Knowing that the three pieces were once taken from Walter's brain and when reinserted, they will cause Walter to remember how to open the gateway between the universes. Newton is then able to complete his first mission; He synchronizes the brain tissues, kidnaps Walter, reinserts them into Walter's brain, and then interrogates the scientist, gathering the information he needs. Newton later re-surfaces, experimenting in opening portals to the parallel universe. Eventually he is able to successfully bring the shapeshifters' superior—simply referred to as "Mr. Secretary"—over to our universe. When Peter goes AWOL from Fringe Division upon learning of his real origin, he finds himself tracked by Newton and other shapeshifters. As Newton is finally able to corner Peter in his hotel room, he introduces him to his superior: the parallel universe United States Secretary of Defense, and likewise Peter's real father, the alternate Walter Bishop. As alternate Walter successfully replaces Olivia with her parallel universe version, tension between Newton and Fauxlivia rises. When US Senator Van Horn is severely injured and revealed to be a shapeshifter, Newton orders him killed. In "Do Shapeshifters Dream of Electric Sheep?" Newton is finally caught by the FBI, but, by means of the alternate Olivia, he commits suicide before the Fringe division is able to get any information from him. Thomas Jerome Newton is the name of David Bowie's character in The Man Who Fell to Earth; Bowie's own birth name was David Robert Jones. Sam Weiss (portrayed by Kevin Corrigan) is a friend of Nina Sharp who operates at a bowling alley, and helped her with her physical therapy process after she lost her arm. After Olivia's first visit to the parallel universe, he helps Olivia regain her ability to walk, partially through showing her how to bowl. He begins to establish a friendship with her, and Olivia pays him another visit after learning the truth about