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When Michael Iver Peterson, a successful novelist and aspiring politician in Durham, North Carolina, finds his wife Kathleen's body on the staircase, bloody but still breathing, he calls 911 in panic. His son Todd confirms his parents were in true love, would never harm each-other. However the police, notably Detective Joe Castel, and D. A. Jim Hardin, holding a grudge for a column the author once wrote against the incompetent force, disbelieve their postulation she fell from the stairs, notably because her blood was found very high. Adoring step-daughter Caitlin, who privately shows suspicious pleasure in the jewelry inheritance and is named executor of Kathleen's estate, was all night at her Cornell sorority. The female coroner excludes her trainee's preliminary theory of a fall, bluntly stating multiple blows and at least two hours painful death-struggle. Wine - and blood traces suggest Michael may have staged her having drunk too much wine and tried to wipe her blood. The family is banned from the house, all his research etc. confiscated. After star lawyer David Rudolf accepts his defense, and gets prizewinner Erica's TV crew to include his case in its critical story on the U.S. justice system, the press recalls he probably lost the mayoral election because his claim to have been awarded two Purple Hearts was refuted by the military. Michael must admit he is a bisexual who picked up men at the gym. Caitlin moves in with Kathleen's sister Candace, who claims she would never have allowed that, while the rest of the family sides with dad who claims Kathleen knew and understood; when he passes on bills for funerary arrangements Caitlin made behind his back, she bitches Kathleen never actually signed her $1,4 million life insurance. Michael's lawyer also investigates the death of his other adoptive daughters' mother Elisabeth Ratliff, wife of an army mate of his in Germany (while he was married to Patty, who still loves him as father of her children), also fallen from a staircase, both she had a blood disease; after an autopsy, Michael is charged with a second murder and put on trial. The defense does a great job concerning forensics, especially the lack of a murder weapon and of any markings on the alleged one (a blow pipe for the fire place), and credibility of hostile witnesses...

How to Watch The Staircase Murders Legally and Safely

If you want to stream The Staircase Murders 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 The Staircase Murders 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.