The Punjab forensic lab on Friday conducted the polygraph test of Zahir Jaffer, the main suspect in the Noor Mukaddam murder case, sources said.
The sources further said that the experts at the lab asked 20 questions from the accused. They added that the lab also conducted forensics analysis of the CCTV footage of the incident.
The sources said that before the test Zahir kept on misguiding the officials by making excuses, adding that he also acted as if he had fainted. The accused was brought to Lahore by the Islamabad police under heavy security.
Two days ago, an Islamabad court had remanded Zahir to police custody for another three days.
During the hearing, public prosecutor Sajid Cheema had told the judge responded that the CCTV camera video of the incident had been acquired and suspect Zahir had to be taken to Lahore for a forensic exam of the footage.