https://jimmychurchradio.com/observers-world-premiere-event-november-18th
https://geni.us/TheObservers https://vimeo.com/ondemand/theobservers
This is certainly another fascinating documentary to add to the reference list.
https://play.google.com/store/movies/details/The_Observers?id=ja3_XBFE4t8.P&hl=en
https://www.youtube.com/@FADETOBLACKRadio