A NEW analysis of remaining bullet fragments from the 1963 assassination of US president John F Kennedy suggests a second shooter may have been involved. The findings suggest the prevailing theory that a sole gunman, Lee Harvey Oswald, killed Kennedy is wrong, according to a research team that published its findings yesterday. The researchers "show that evidence used to rule out a second assassin is fundamentally flawed," wrote William Tobin, the main author of the report, published in the latest issue of the Annals of Applied Statistics. Mr Tobin, a former FBI agent and forensic scientist, teamed with bullet lead...