Strangers from Hell

post-traumatic stress disorder (ptsd) fight paranoia hallucination investigation psychopath psychological abuse sociopath murder gore serial killer miniseries reporter torture writer murderer drugs criminal police officer dentist death female police officer animal abuse animal death mutilation hostel creepy neighbor intellectual disability young adult housemates gaslighting office worker slight romance plot twist cannibalism blood suspense based on webcomic or webtoon dark fiction skilled killer master/apprentice workplace abuse