[quote=@chukklehed]
If you can find a way to keep random teleportation a secret, that's fine. 
[/quote]

Hmm... I assume he/she (which ever it ends up being) would, when they see the person next, simply blame it on his/her tendency to wander off. Or I could give him/her a device which allows them to 'erase' that particular memory from the person's mind, sort of like the stick thingy J and K have in MIB.