. . "The Blood Trail"@en . "The Blood Trail (Filipino: Mangatyanan) is a 2009 Filipino independent film directed by Jerrold Tarog. The film was a finalist in the full-length feature category of the 2009 Cinemalaya Philippine Independent Film Festival.The title refers to a Mangatyanan \"blood trail\" ritual of the Labwanan tribe, which plays an integral role in the plot. Both ritual and tribe were invented for the film."@en . . . . . . .