He tried it!
Cali man Maninder Adama tried to extort his former roommates after having secretly filmed them having sex while he'd still been living with them. He was threatening the couple by saying he would post the video, and wanted thousands of dollars from them in exchange for the footage.
That's so dirty. You never truly know what someone is capable of.
It wasn't until he'd sent them still shots of the video as proof that he did, indeed, have the footage, that they were able to track and investigate metadata from the photos.
Read more details of the story via COMPLEX.