A post-mortem examination fails to establish the cause of Mohamud Mohammed Hassan's death.
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By Caleb Spencer
BBC News
By Jenny Rees
BBC Wales home affairs correspondent
By Jenny Rees
BBC Wales home affairs correspondent
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Video caption: Facial recognition: rapist caught on CCTV A grainy CCTV image was matched with an old custody shot leading to a Cardiff man being jailed again.
By Nelli Bird
BBC News