Jack O’Sullivan’s family have been left with ‘no idea’ what happened to him and are ‘desperate’ for answers Get the free Morning Headlines email for news from our reporters across the world Sign up to our free Morning Headlines email Sign up to our free Morning Headlines email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Every day has been a struggle for Catherine O’Sullivan since her son went out with friends more