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Where To Stream Britain's Most Evil Killers Season 9 Episode 2

Gavin McGuire

An investigation into the death of Mhairi Julyan, a 16 year-old from Kilmarnock, Scotland, who was found dead in a bus depot in 1995 with 47 separate injuries to her head, body and limbs after being strangled and sexually assaulted by Gavin McGuire.