He had gone on the run , but was spotted by an off - duty policeman when he went to Great Ormond Street Hospital to collect his prescription for insulin .
The investigation led to Hardy , who was arrested a week later .
Hardy had gone on the run , but was spotted by an off - duty policeman when Hardy went to Great Ormond Street Hospital to collect Hardy 's prescription for insulin .
The investigation led to Hardy , who was arrested a week later .