Joanne Dennehy on shop CCTV
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Killer Joanne Dennehy on shop CCTV

21 January 2014 Last updated at 17:47 GMT

Convicted killer Joanne Dennehy was caught on CCTV just minutes before she attempted to murder two men in Hereford.

Jurors in the trial of Dennehy's boyfriend Gary "Stretch" Richards were shown the video at Cambridge Crown Court where he denies three charges of preventing the lawful burial of three men killed by Dennehy, in Cambridgeshire.