From the article: “On Tuesday night a prison guard, who had been working at Rimutaka for less than a year, went to make a coffee while another guard who had seven years’ experience remained handcuffed to the gang member. When the first guard returned, he found the gang member calling for pizza on the second guard’s cellphone. The pizza duly arrived, along with a side of garlic bread, and the gang member gave the guards $50 cash each.”
When a new shift of officers came on the next day and didn’t do the same, he attacked them.
Read more here.