In the trailer for A Walk Among the Tombstones, we see Liam Neeson as Matthew Scudder, a cop turned private detective hired to find the men who kidnapped a drug dealer’s wife. Sounds whacky enough to be another great Liam Neeson movie. The film is an adaptation of the 1992 novel by Lawrence Block. A Walk Among the Tombstones is set to hit theaters on September 19.