Pictures give grim insight into how 15-year-old girls killed Angela Wrightson

Angela Wrightson, 39, was found in her living room with more than 100 injuries - including 80 to her face - in Hartlepool in December 2014.
Angela Wrightson, 39, was found in her living room with more than 100 injuries - including 80 to her face - in Hartlepool in December 2014.

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