Polygraph examiner Malaravan Ponniah has put alleged sex offenders, drug abusers and cheating spouses through the lie detector. He’s also helped innocent people clear their name. But can he tell if someone’s lying off the bat? In this final episode of Heavy Duty by CNA Insider. If you’ve got a story idea, reach out to [email protected]

Credits:

Journalists: Neo Chai Chin and Eileen Chew 
Sound Design: Daniel Lee
Supervising Editors: Yvonne Lim and Crispina Robert

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