A killer who is believed to have strangled a "beautiful, caring" mother-of-two before setting her body on fire and burying it in woodland has been jailed for 18 years. Mohammed Durnion had claimed Reanne Coulson, 33, had died from a drug overdose at his flat on Paynes Lane, Coventry, in May last year. Durnion, a 42-year-old labourer, said he had taken "stupid amounts" of cocaine and panicked after she died, hiding her body from police under a mattress before burying it in a shallow grave five miles away, Warwick Crown Court heard. He was cleared of murder on Tuesday after a three-week trial, but convicted of manslaughter after jurors heard he used petrol to set part of Coulson's corpse alight. In a victim impact statement read to the court, her mother Lynn Sparkes said her daughter's death had left the family with a "lifetime of overwhelming grief".…