When a small team of government investigators learns that ordinary citizens all around the U.S. are losing their life savings to scam callers, they go on the hunt for the shadowy multinational mob behind the con, unraveling a plot that stretches from suburban Texas to the outskirts of Singapore to a drab office complex in one of the largest cities in India. In the latest season of Chameleon, host Yudhijit Bhattacharjee retraces the steps of the cops and the crooks – and goes deep into the Indian underworld looking for the masterminds who got away.