Sylvester Stallone’s Balboa Productions Teaming With ‘The Walking Dead’ Vet Channing Powell On Series Adaptation Of J.D. Barker’s Serial Killer Thriller Book Series ‘4MK ‘
Sylvester Stallone's Balboa Productions is collaborating with Channing Powell to adapt J.D. Barker's 4MK book series into a television series. The story follows Detective Sam Porter as he tracks a serial killer known as the Four Monkey Killer in Chicago. The adaptation will include elements from Barker's original trilogy and a prequel series, with Powell serving as showrunner and executive producer.
- ▪Balboa Productions is developing a series adaptation of J.D. Barker's 4MK books.
- ▪The narrative centers around Detective Sam Porter and the Four Monkey Killer in Chicago.
- ▪Channing Powell will serve as showrunner and executive producer for the adaptation.
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| Original publisher | Deadline |
| Canonical URL | https://deadline.com/2026/05/4mk-tv-series-sylvester-stallone-channing-powell-in-works-1236915830/ |
| Publication time | Tue, 19 May 2026 16:55:08 +0000 |
| Retrieval time | 2026-05-19T17:04:57.940Z |
| Last seen | 2026-05-19T17:04:57.940Z |
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Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
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Sylvester Stallone, ‘The Fourth Monkey,’ Channing Powell Getty/Courtesy EXCLUSIVE: Sylvester Stallone‘s Balboa Productions is teaming with Channing Powell (Tales of the Walking Dead) to develop a series adaptation of the 4MK books by J.D. Barker. Set in Chicago, Barker’s novels follow Detective Sam Porter as he hunts the elusive Four Monkey Killer, a murderer who has terrorized the city for years with a chilling and highly personal code of judgment. Guided by the maxim “hear no evil, see no evil, speak no evil,” the killer removes the ears, eyes, and tongues of his victims, turning every crime scene into a ritualized message.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Deadline.
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