Suppose we’ll ever find out which moles in our trusted Intelligence Community passed that information on to the Iranians?
I’d guess it’s somebody within the Secret Service. Not necessarily one of the POTUS personal detail, but somebody within the organization who has access to travel details. Didn’t a couple of anti-Trump dissidents from USSS get booted recently?
It has to be agents on his security detail. After the many attempts on his life already I have to assume they want him taken out too.