THEY began as small-time local recruiters of wannabe jihadist fighters in western Sydney, picking up the business for a mate who had been thrown into jail. Within seven months they were talking about detonating a car bomb in Australia, potentially killing dozens. And then, on Tuesday night, the gruesome order came through from the Middle East. It was from their friend, former Kings Cross bouncer and now senior Islamic State commander, Mohammed Baryalei: go out on the streets of Sydney and kill “a random kaffir (non-­believer)”.