lloyd byfield , 48 , pursued a relationship with 26-year-old leighann duffy before he armed himself with a claw hammer and a large red handled kitchen knife and smashed his way into her flat in walthamstow , east london , on september 1 last year .
after pleading guilty to murder , he was sentenced to life with a minimum term of 26-and-a-half years by judge nicholas cooke .
he said the murder could have been prevented if he had been sent back to women , particularly those with whom you had a relationship .