A project like “The Madness” ought to be a feather in the cap of someone like Colman Domingo. Though the performer has been working steadily for decades, a few years’ worth of increasingly prominent roles — in “Euphoria,

The limited series from Stephen Belber invokes paranoid vigilance, but doesn't always lean into the possibilities.

Like the paranoid notions that drive their protagonists, conspiracy thrillers are constantly shifting. The genre is remarkably malleable; the '60s, '70s, and '80s produced some of the form's best -- "The Manchurian Candidate,