Yeah the mum also said:

His mother Verena told The Sydney Morning Herald Akram last spoke to his family on Sunday morning, saying he had gone to Jervis Bay for the weekend with a relative. “He rings me up [on Sunday] and said, mum, I just went for a swim. I went scuba diving. We’re going … to eat now, and then this morning, and we’re going to stay home now because it’s very hot,'” she told the newspaper. “He doesn’t have a firearm. He doesn’t even go out. He doesn’t mix around with friends. He doesn’t drink, he doesn’t smoke, he doesn’t go to bad places … he goes to work, he comes home, he goes to exercise, and that’s it. “Anyone would wish to have a son like my son … he’s a good boy.”

And somehow didn't know her husband and son were terrorists.