The matter of Captain Happen is a subject I discuss at some length in the adventure Extradition From Hell, bearing as it did on the evidence related to Peggy Simpson Banzai's murder. In short, after his own suicidal leap out a window to evade our attempts to question him further, the autopsy had revealed a tiny radio receiver implanted in his brain. Where and how Hanoi Xan's agents had accomplished the necessary surgery remains a mystery to this day. -- Reno