A chopped finger found at the crime scene helped the police track a pickpocket who allegedly robbed a person and then went on a stabbing spree inside a running bus in west Delhiâ€™s Janakpuri on Sunday evening.
After developing a fingerprint from it, police used their database to nab the pickpocket and his accomplice involved in the crime.
It was found that the severed appendage belonged to Rahul (24), following which they arrested him and his accomplice Dharambir (35).
In his complaint, Ranjeet Kumar Yadav, a resident of Vidhyapati Nagar, alleged that on Sunday afternoon he was travelling with three relatives in a minibus to Janakpuri. Two men also boarded the bus near the CRPF camp, police said.
When Yadav got down at the next stop at Vikas Kunj, he felt that his wallet was stolen. While he was checking for it, one person threw it in the bus and the other attacked his relative, Dharmender, with a knife, Deputy Commissioner of Police (West) Monikka Bhardwaj said.
The accused was also injured in the scuffle, Bhardwaj said.
The two accused were later arrested and the knife used in the crime was also recovered, she said.
Rahul was previously involved in four cases of snatching and robbery, while Dharambir had been involved in seven cases of robbery, snatching, theft, Arms Act, she added.