Article continues below advertisementCourtney Love is said to be "reeling" after a new theory surrounding Kurt Cobain's death reignited long-standing controversy, with a leading forensic expert claiming the Nirvana frontman could not have taken his own life.OK! can reveal the fresh claims center on a fresh analysis of Cobain's 1994 death at his Seattle home, which was ruled a suicide at the time. The tormented 27-year-old musician was found with a gunshot wound to the head, and high levels of heroin in his system.