Von Der Heydte, hero of Crete who parachuted into the Bulge, part of the plot to kill Hitler?

From War History Online:

https://www.warhistoryonline.com/instant-articles/von-der-heydte-germanparatrooper-x.html?utm_source=getresponse&utm_medium=email&utm_campaign=warhistoryonline&utm_content=%5BWar+History+Online%5D+Your+Daily+Dose

Rico says a lot of people talked about it, but nobody did it...