<sod >But instead of turning up at his house unannounced, they arrested him by appointment - giving him the opportunity to get rid of evidence such as his 'rape kit', which contained drugs and drinks. Police also failed to search his home and taxi. The investigation was later dropped by senior officers. Sarah Craigie encountered the evil of Worboys in May 2007 after she went to see a former boyfriend working as a DJ in a West End nightclub.  Walking near Leicester Square she was crying and 'in a bit of a state' when she came across a cab rank and Worboys asked if she needed a lift. 'I told him that I needed to get back to Dagenham but only had PS30 on me and that would not be enough,' she recalled.  Kathy Martin, who was Worboys' girlfriend at the time of the attacks said she was unaware of what he was doing in his taxi cab 'He said, 'Don't worry darling...< eod>< sod > But instead of turning up at his house unannounced, they arrested him by appointment - giving him the opportunity to get rid of evidence such as his 'rape kit', which contained drugs and drinks. Police also failed to search his home and taxi. The investigation was later dropped by senior officers.  Kathy Martin, who was Worboys' girlfriend at the time of the attacks said she was unaware of what he was doing in his taxi cab Sarah Craigie encountered the evil of Worboys in May 2007 after she went to see a former boyfriend working as a DJ in a West End nightclub.  Walking near Leicester Square she was crying and 'in a bit of a state' when she came across a cab rank and Worboys asked if she needed a lift. 'I told him that I needed to get back to Dagenham but only had PS30 on me and that would not be enough,' she recalled.< eod>