A murder trial jury has been told it will see CCTV showing the fire started in an arson attack at Chatham, Kent, which killed 20 year old Melissa Crook, her baby son and her father.
Mrs Crook's estranged husband Danai Muhammadi, 24, Muhammadi's girlfriend Emma Smith, 21, and friend Farhad Mahmud, 35, deny three counts of murder and two counts of attempted murder.
The jury are now being shown mobile phone and traffic camera records charting Muhammadi's movements on the night of the fire.
The trial continues at Maidstone Crown Court.
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