8st woman smothered to death 'in 15 seconds' by 13st boyfriend as they slept on sofa

-Susan Nicholson, 52, suffocated when Robert Trigg, 47, rolled on top of her

-Former chef: 'Her hand was still warm and I held it and said "Time to wake up, stop mucking about" but there was no response'

-Initially quizzed on suspicion of accidental manslaughter

http://www.dailymail.co.uk/news/article-2073018/Boyfriend-smothered-partner-death-freak-accident-slept-sofa.html