Marilyn, Her Final Secret (2022)

The documentary traces the search for Marilyn's DNA from two samples of hair owned by collector John Reznikoff. The investigation was conducted by Dr Rachel Houston in Huntsville, Texas; and Drs Ludovic Orlando and Andaine Seguin-Orlando in Toulouse, France, attempting to identify Marilyn's DNA and to compare with new samples from Francine Gifford Deir and her sister Lisa, both grand-daughters of Charles Stanley Gifford, the man rumoured to have been Marilyn's biological father.