He and Cara (right) argued after she threatened to go to the police to accuse him of being a drugs trafficker.
The dismembered body of a 17-year-old British girl has been found in a suitcase in Brazil.
Police say Cara Marie Burke was murdered by an ex-boyfriend she had threatened to expose as a drug-dealer.
Her torso was found in a suitcase dumped on a riverbank on Monday but her head, arms and legs were missing after having been thrown into the water.
Brazilian police arrested her former boyfriend Mohammed Carvalho dos Santos, 20, on suspicion of murder yesterday.
It is believed the teenager was identified the following day when a friend living in London recognised two of Cara’s tattoos on gruesome images broadcast by a Brazilian television channel which is transmitted in the UK.
Brazilian police arrested her former boyfriend Mohammed Carvalho dos Santos, 20, on suspicion of murder yesterday.
He was born in Brazil, but police said his parents live in the UK, and that he had met Cara in Britain.
They say he quickly confessed to having murdered and mutilated her.
And he had taken pictures of her mutilated body on his mobile phone.
Her body was found in the city of Goiania in the state of Goias, 120 miles south west of Brasilia. Officers are still searching for her other body parts.