A Scanner Darkly is a 2006 Rotoscoped film directed by Richard Linklater based on the novel of the same name by Philip K. ********. The film tells the story of an undercover police officer who is unknowingly brainwashed by his superiors in order to infiltrate a drug operation fronted and funded by a rehabilitation centre. The movie was filmed digitally and then animated using interpolated rotoscope over the original footage, giving it its distinctive look.
Arctor is an undercover agent assigned to immerse himself in the drug underworld and infiltrate the drug supply chain
Substance D, a powerful psychoactive drug causing a dreamy state of intoxication and bizarre hallucinations; chronic users may develop a split personality, cognitive problems, and severe paranoia.
Note: Philip ******** often writes novels that have alternate realities/histories. One of his works, "Do Androids Dream of Electric Sheep?", has been referrenced in FRINGE already with episode, "Do Shapeshifter Dream of Electric Sheep?".