https://en.wikipedia.org/wiki/Mary_Pinchot_Meyer
On the afternoon of the murder, hours before police had identified the body, CIA official Wistar Janney first placed a call to Meyers brother-in-law Ben Bradlee, and then subsequently to Cord Meyer, notifying them both of Meyers death.[33][34]
A mystery that remains unsolved after fifty years, quite likely related to a more troubling mystery which may finally be put to rest this fall. Or maybe not.