NewsX: The National Investigation Agency (NIA) on Tuesday released two sketches of one of the suspects who planted explosive devices at the Mahabodhi temple in Bihar's Bodhgaya town recently.br br The NIA has also released CCTV pictures of the suspect wherein he can be seen walking around in the robe of a Buddhist monk and planting explosives.br br The CCTV footage comes as the first big lead for the NIA, which has been probing the July 7 serial blasts at the world famous Buddhist shrine.