In this week's crime stories, Paul Healy and Michael O'Toole discuss the murder of Detective Garda Colm Horkan.

46-year-old Stephen Silver has been sentenced to 40 years imprisonment for the murder of Detective Horkan, which we discuss at length.

Paul also tells us about staking out abusive priest Joe Dunne, and we discuss the process of 'doorstepping' in general and the reasons behind it.

We also look at the disappearance of Tina Satchwell in 2017.

This episode is dedicated to the memory of Detective Colm Horkan and his family.

Shattered Lives is produced by Ciaran Bradley for Reach Ireland.

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