This 2014 Chicago Tribune review of a History Detectives (TV series) episode on the disappearance illustrates the possibility Miller's plane went down over the Channel as a result of known carburetor freeze-up issues, the poor weather conditions, and the fact the pilot wasn't certified for instrument flying.
https://www.chicagotribune.com/entertainment/ct-glenn-miller-tv-review-20140708-column.html
Unfortunately, our website is currently unavailable in most European countries. We are engaged on the issue and committed to looking at options that support our full range of digital offerings to the EU market. We continue to identify technical compliance solutions that will provide all readers with our award-winning journalism.