When opening a pedigree marked as containing sensitive info, a popup is displayed on top of the graphic pedigree in the pedigree editor, warning the user that there is sensitive info inside and showing a message which describes the nature of the sensitive info.
Ironically, there may be sensitive information even in the custom message warning the user that the pedigree contains sensitive information. Example: "This pedigree includes a half brother of the proband that the mom doesn't know about".
Display a generic message in the popup: "This pedigree was marked as containing sensitive information."
If there is no descriptive message available, "No further details were provided."
If there is a descriptive message available display
which can be clicked to expand (and then collapse) to showing the message on a new line.