What really happened to Bob Crane from Hogan's Heroes and did he deserve his fate?

He seduced many beautiful wives of powerful men and filmed himself having sex with them.
I guess somebody found out and it did not end well. He was apparently a real perv.
Do you think he got what he deserved?

https://www.imdb.com/name/nm0186314/mediaviewer/rm3077281792/?ref_=nmmi_mi_17_2

What really happened to Bob Crane from Hogan's Heroes and did he deserve his fate?
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