An ex-cop turned private investigator takes on a case he'll never forget in the first trailer for A Walk Among the Tombstones. Based on Lawrence Block's bestselling series of mystery novels, the film stars Liam Neeson as Matt Scudder, an ex-NYPD police officer who now works as an unlicensed private investigator operating just outside the law. After agreeing to track down the men who killed the wife of a drug trafficker (Dan Stevens), Scudder races through the New York City streets to track down these violent criminals before they strike again. In addition, we also have the new poster and photos for writer-director Scott Frank's thriller, arriving in theaters September 19.

Based on Lawrence Block's bestselling series of mystery novels, A Walk among the Tombstones stars Liam Neeson as Matt Scudder, an ex-NYPD cop who now works as an unlicensed private investigator operating just outside the law. When Scudder reluctantly agrees to help a heroin trafficker (Dan Stevens) hunt down the men who kidnapped and then brutally murdered his wife, the PI learns that this is not the first time these men have committed this sort of twisted crime...nor will it be the last. Blurring the lines between right and wrong, Scudder races to track the deviants through the backstreets of New York City before they kill again.