WARNING, DISTRESSING CONTENT: Ian Watkins, former frontman of Welsh rock band Lostprophets, died after being attacked in prison , where he was serving a 29-year jail term for multiple sexual offences View 4 Images Ian Watkins was killed behind bars (Image: Getty Images)

The ex-girlfriend who exposed the depraved rock star Ian Watkins has expressed her surprise at how long it took for him to be killed in prison.

Jo Mjadzelics, 48, was the whistleblower who first alerted police to the singer's disturbing fantasies involving children, but her warnings were repeatedly dismissed. Watkins, 48, met his end following an attack in at HMP Wakefield , in West Yorkshire, where he was serving a 29-year sentence for numerous sexual offences, including serious crimes against young childre

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