It was during swimming lessons organised by the church that they became attracted to one another. Hazel became pregnant then, unsure if the child was that of her husband or her lover, had an abortion.The couple would meet in secret at Castleroe Forest but they were soon spotted by a member of the church. Colin Howell’s wife Lesley, who had just had her fourth child, took an overdose.It took the jury two-and-a-half hours to reach their decision of guilty.After the jury foreman delivered the verdict Lisa, Stewart’s daughter wept uncontrollably, and said “It’s not fair.” The bodies of Lesley Howell and Trevor Buchanan were discovered in a fume-filled car outside a house in Castlerock in May 1991.In December, when Hazel Stewart’s trial could not proceed because her former lover, dentist Trevor Howell, a 51-year-old dentist from Glebe Road in Castlerock, sent over 40 pages of testimony from his prison cell about the two murders, her sister was close to comfort her. Eighteen-year-old Hazel Elkin married RUC officer Trevor Buchanan who was 22, at Omagh Baptist Church on 11 July 1981.The story of Hazel Stewart, from Ballystrone Road, Coleraine, reads like a crime thriller – it doesn’t seem real. ‘Absolutely gutted’Two children quickly followed and they moved to Coleraine in 1986 and settled in Charnwood Park.He was sentenced in November 2010 then gave evidence for the prosecution during Hazel Stewart’s trial.
And for four months, the couples received counselling and stuck to strict guidelines laid out by the church. And on the morning of 19 May, 1991, the bodies of Trevor Buchanan and Lesley Howell were found in a fume-filled car at the back of a row of cottages in Castlerock.During the course of the trial we learned how the lovers met a number of times to discuss the plan.Howell gassed his wife as she slept on the sofa at their home in Knocklayde Park.He put her body in their car and drove to his lover’s home.She opened the garage door and made sure her husband was sleeping in the bedroom.