A teenager who murdered his girlfriend was jailed after police found evidence of his “unthinkable” crime on his face.
Thomas Griffiths, now 18, was 17 when he murdered Ellie Gould, 17, in her home in Calne in southwest England in May.
Bristol Crown Court heard Ellie broke up with her boyfriend to focus on her studies.
The following day, on May 3, Griffiths took the family car instead of going to school to drive to Ellie’s house.
Once there he stabbed her multiple times in the neck and strangled her.
“In a bid to cover his tracks, he drove back to his home before walking to a wooded area nearby and disposed of a number of items he had used to clear up at Ellie's home,” Wiltshire Police said.
Ellie’s dad returned home to find her dead on the kitchen floor.
A neighbour was able to provide a description of Griffiths who was promptly arrested and charged with murder.
He pleaded guilty.
Griffiths told friends marks on his face and neck were caused by self-harm but police determined they were actually caused by Ellie during the struggle as she was murdered.
Detective Chief Inspector Jim Taylor said Ellie “was an extremely popular, fun-loving, kind, and gentle girl” who wanted to focus on her studies and her ex appeared to be a “normal 17-year-old boy”.
“There were no warning signs or red flags regarding his behaviour, however, his actions on May 3 were truly unthinkable,” he said.
“The injuries he inflicted on Ellie were horrific. Not only did he end her life in the cruellest way imaginable, he then attempted to cover his tracks by hiding items, washing his blood-stained clothes, and even messaging Ellie's phone as if nothing had happened.
“In murdering Ellie, Griffiths has destroyed the lives of those who were close to her, none more so than her parents and brother and sister.”
Griffiths was sentenced to 12 years and six months behind bars.
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