Question: I am a movie director and I just received the following movie plot. Could you help me answer this question? If not, let me know by writing "Not answerable". Plot title: Death Sentence Movie plot: This article's plot summary may be too long or excessively detailed. Please help improve it by removing unnecessary details and making it more concise. (July 2016) (Learn how and when to remove this template message) Nick Hume (Kevin Bacon) his wife Helen (Kelly Preston), and his two sons, Brendan (Stuart Lafferty) and Lucas (Jordan Garrett), watch Brendan's hockey game. While Nick and Brendan drive home from the game, they talk about the latter's potential future as a professional hockey player. They make a quick stop at a gas station in a very bad part of town. During an ostensible robbery of the gas station, Joe Darley (Matt O'Leary), a new initiate and younger brother to the gang leader, slices Brendan's throat open with a machete. Nick attempts to ambush the thugs, managing to pull off Joe's mask and see his face, but Joe escapes just to get hit by a car. Nick rushes Brendan to the hospital, but Brendan dies from a major blood loss. Nick identifies Joe in a line-up, but while meeting with the district attorney, he becomes angry at the DA for presenting a strong case that the defense will cut a deal of being in jail for 3 to 5 years. The DA explains that the only witness is Nick, there were no surveillance cameras, and the defense could gain sympathy for Darley. At a pre-trial hearing, Nick recants his identification so that Joe will go free. He follows the gang to see where they hide out, later returning and stabbing Joe upon finding him alone. The next morning, the gang leader, Billy (Garrett Hedlund), wants revenge. After quickly discounting members of other gangs as culprits, one of his gang members says that his sister saw a man in a suit that night. Confirming it was Nick from a picture published in a newspaper, and seeing where he works, they ambush him the next day on the street. After chasing him through town, they stop at the top of a multi-story parking garage where Nick gets into a fight with one of the members and traps him in a car and sends him over the edge of the lot. The next day, one of... My question: Who sells the guns to Nick, he uses to kill Billy and his Gang?
Answer:
Billy's Father