"The Postcard Killings" is an instant hit on Netflix, and fans of crime thrillers and true crime will likely enjoy it. Films like "Mindcage," "The Little Things," and "The Devil All The Time" share similarities with "The Postcard Killings" and would be appreciated by its fans. "Extremely Wicked, Shockingly Evil and Vile," "Solace," "Monster," and "The Silence of the Lambs" delve into the psychology of killers, providing a unique perspective for viewers who enjoyed "The Postcard Killings."

Based on the novel The Postcard Killers by best-selling author James Patterson and Liza Marklund, The Postcard Killings follows Jacob Kanon (Jeffrey Dean Morgan), a New York City detective who takes it upon himself to solve a series of serial killings sweeping Europe. His newlywed daughter and her husband were victims themselves, giving the grieving Kanon a personal stake in finding and apprehending the killers. He teams up with journalist Dessie Lombard (Cush Jumbo...