Posted May 29, 2019 13:30:16 It all began with a phone call from an old friend. Key points: Rodger Muller was setting up a dog food business when he was asked to go undercover for Al JazeeraMr Muller posed as a gun rights advocate to infiltrate the National Rifle Association in the USOnce the three year investigation was over Mr Muller says he saw a psychologist Little did Rodger Muller know that answering that call would change his life for three years, leading him to become the head of Gun Rights Australia and cosying up with one of America's most powerful lobby groups, the National Rifle Association.In his first interview since going undercover for Al Jazeera, Mr Muller has told 7.30 what it was like living a double life.Why Rodger Muller?On the phone was friend and journalist Peter Charley, who is the head of Al Jazeera's investigative unit. Mr Muller had not spoken to him in years.Mr Charley said he was interested in finding out more about the inner workings of the NRA and needed someone to go undercover.Mr Muller told 7.30 he found Mr Charley's proposition so outlandish he "googled him, because I thought he'd gone mad".Mr Charley said the two used to live in the same neighbourhood in Sydney and had known each other for over 20 years. They used to drink in the same coffee shop and their kids had gotten to know each other. Photo: Peter Charley says Rodger Muller was the best person he could think of for the investigation. (ABC News: Jerry Rickard) [1]"I looked at a number of potential candidates," Mr Charley told 7.30."But eventually I thought the best person I can think of is Rodger Muller, because he ticks all the boxes."He's got the right temperament and seems to be the

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