A human leg was found along the Line 4 subway tracks in the Bronx borough over the weekend. After this macabre discovery, an investigation was opened to find the body.

The gigantic New York subway network has been the scene of rare but often publicized dramatic incidents in recent years. Last week, a 34-year-old man died and five other people were injured after shots were fired on a platform at another Bronx station. The authorities are also trying to raise awareness against the phenomenon of "subway surfers", daredevils who film themselves on the roofs of a moving car.