Donald Day Jr, 58, had allegedly been coaching paranoid Gareth and Stacey Train over the internet for months before they and Gareth s brother Nathaniel ambushed four police officers.
Nine Entertainment has been blasted by one its highest paid stars for broadcasting a third offensive interview with the daughter of the doomsday prepper cop killers.
Nathaniel, Gareth and Stacey killed officers Rachel McCrow, 29, and Matthew Arnold, 26, in a horrific siege in December when the officers attended their country Queensland home.