Double murderer's conviction upheld, despite claim expert testimony lacked 'scientific validity'

By Fiona Magennis “Callous” double murderer Jason O’Driscoll, who “executed” two men before their bodies were set on fire in Louth 14 years ago, has had his conviction upheld by the Court of Appeal. O'Driscoll's appeal had focussed on a claim that a prosecution witness’s area of expertise in vehicle