Criminal is produced by Vox Media Podcast Network and hosted by Phoebe Judge, who narrates a portion of episodes herself and conducts interviews for others, making the show a hybrid of narrative nonfiction and interview journalism. Narrative episodes reconstruct historical cases in close, scene-by-scene detail, drawing on trial records, historical newspapers, and nonfiction books as source material. Interview episodes bring on authors, academics, and firsthand participants to discuss their research or personal experience with a case. Recurring subject areas include true crime history, courtroom and legal history, the death penalty and criminal justice reform, organized crime, and situations where legality and morality diverge unexpectedly, such as a legally permitted shark longline mistaken for a poaching operation. Guests in the sample include true crime author Kate Winkler Dawson discussing her book on an 1832 New England murder trial, Deborah Blum discussing Prohibition-era poisoning deaths, professor Carolyn Long discussing Don King's early years in Cleveland, and Sister Helen Prejean discussing death row ministry and capital punishment abolition. Episodes typically run 30 to 45 minutes and favor a measured, unhurried narrative pace over sensational framing. The show also cross-promotes sister podcasts from the same network, including Phoebe Reads a Mystery and This Is Love. Listeners drawn to literary narrative nonfiction, legal and social history, and long-form author interviews are the core audience, more than listeners seeking breaking crime coverage. At least one episode transcript carries a note that its content may not be suitable for all listeners, reflecting the show's occasional treatment of violent death and execution.