Apart from the sustained questioning of the accused arrested in the first 48 hours of the gruesome gang-rape of a photojournalist, sound technical intelligence — particularly the GPS tracking system — came in handy for the Mumbai police in tracing the fifth alleged rapist to New Delhi, where he was arrested by a visiting team of investigators on Sunday morning.
After the initial arrests in the case, the Mumbai Crime Branch sleuths tracked the movements of the fifth accused, Mohammed Salim Ansari (22), through his mobile phone and found that he was the only suspect to have crossed the Maharashtra borders, from the time he left the incident scene on Thursday evening. The GPS system tracked Salim through the mobile phone and found that he was in Delhi