The National Investigation Agency has filed chargesheet in the Antilia bomb scare case, in which a statement by a cyber expert holds serious implications for former Mumbai top cop Param Bir Singh. The agency also outlines the plot behind Mansukh Hiren's murder, saying that Sachin Waze got him killed since he was afraid Hiren would spill the beans about his involvement in the Antilia case. But will the NIA case stand court scrutiny?