whatever happened to george o'neill,the man entrusted with her estate?

whatever happened to george o'neill,the man entrusted with her estate?
As far as I'm concerned he had something to do with her death, and it's a travesty that no action was taken against him.

Crimelibrary.com has a nice story on her. http://www.crimelibrary.com/notorious_murders/classics/camilla_lyman/photo_index.html