ok.....heres a scenario....it wasn't a biz jet it could have been NON TRANSPONDING therefore NO TCAS military interception that you lot knew NOTHING about. Yesterday I was controlling and had to hold a departure down until it passed 3 miles from an overflight. The two blips merged (1000 feet vertical seperation) and the lower aircraft asked if "The ****** was transponding as he hadn't seen it on TCAS. It was .....now before you attack our Nordic chum....think on.....