Moment child rapist Martyn Armstrong arrested after 17-year investigation

The moment a child rapist was arrested after a 17-year investigation has been caught on body cam footage.

Martyn Armstrong, from Pembrokeshire, was jailed for life after pleading guilty to a total of 41 counts of rape of a child under the age of 13 and sexual assault related to two victims, and to making, distributing and possessing indecent images of children in relation to them both and a third victim.

The 50-year-old was unmasked by a new tool which unpixelated images of the defendant in photos he had taken of himself abusing his victims.

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