Kieran Humphreys, 33, was left to look after six-month-old Archie after just a week of dating Saskia Woodbridge - he was found guilty of murdering the baby by shaking him to death View 3 Images Kieran Humphreys, 33 was found guilty of killing Archie (Image: Bedfordshire Police)

A man has been found guilty of murdering his teenage girlfriend's baby son by shaking him to death in a fit of rage. Kieran Humphreys, 33, was entrusted with the care of six-month-old Archie after only a week of dating Saskia Woodbridge. ‌

She left her son with Humphreys at a friend's house in Houghton Regis, Bedfordshire, while she went to have her nails done on February 9 last year. Luton Crown Court heard that Humphreys, who had stayed up all night playing Call Of Duty on his Xbox, "gripped and sh

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