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On November 9th 1971, John List killed his wife, mother and three children in their home in New Jersey, then disappeared without trace. Eighteen years later, in a small town in Virginia, teenager Stephanie Hancock is confined to her home recovering from a broken leg. To pass the time she spies on her neighbors. It's all fun and games until things take a terrifying turn - Stephanie begins to suspect that one of her neighbors, Bob Clark, is actually long forgotten family killer John List. Given the passage of time, his change in appearance and friendly demeanor, Stephanie struggles to convince her family of Clark's true identity. Enlisting the help of her boyfriend Danny and best friend Melissa, Stephanie becomes determined to expose the truth. But the youngsters soon realize they've taken on more than they bargained for when the fugitive killer realizes he's being watched.

How to Watch A Killer Next Door Legally and Safely

If you want to stream A Killer Next Door through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry A Killer Next Door films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.