From the disappearance of Dublin schoolboy Philip Cairns in the 1980s, to the murder of Jastine Valdez in 2018. Host of the podcast ‘Lines of Enquiry’ and former crime scene investigator John Sweetman's take on some of the most high-profile crimes in Ireland has led to his podcast becoming hugely successful since it launched late last year.
John chatted to Claire in studio this morning.
