LOS ANGELES (Reuters) - U.S. guitarist Jeff Hanneman, a co-founder of the seminal heavy metal band Slayer, died in Southern California on Thursday, the band said in a statement posted on their website. He was 49. "Hanneman was in an area hospital when he suffered liver failure," the band said. Hanneman founded Slayer with fellow guitarist Kerry King in the early 1980s in suburban Los Angeles. The band was known as one of the "big four" thrash metal groups of the 1980s, along with Anthrax, Megadeth and Metallica. ...