Police is trying to retrieve call record details of the mobile phone used allegedly by KLF chief Harminder Singh Mintoo to contact his helpers in Pakistan and other countries.
Mintoo, who was arrested on November 27 here by Special Cell following his escape from high security Nabha jail, is being interrogated by a joint team of Punjab and Delhi Police, sources said.
Police is trying to retrieve and verify the call records of the mobile phone which Mintoo used to contact his helpers in Pakistan and other countries, they said.
He had destroyed the phone before fleeing but revealed the mobile number he used and police will be scanning the call records and the duration of the calls Mintoo made and received, they said.
Apart from these, police will also question Mintoo about his plans to revive KLF and the source of money which he got while he was in jail, they added.