Gym instructor Vilas Warak,who knew David Coleman Headley,left his Naigaon home Wednesday morning after mediapersons started trooping in,his family said. His parents claimed they were unaware of his whereabouts. He had not returned home till late evening. Warak had earlier said he was struggling to cope with the media glare. Earlier,a PTI report quoted him as saying that he told everything he knew about Headley to the police.