On the night that Omar Mateen killed 49 people in a gay nightclub in Orlando, Florida, Donald Trump’s friend and former campaign adviser Roger Stone wrote a post on his website that was seemingly unrelated. It concerned Huma Abedin, a close aide to Hillary Clinton. In the brief post, Stone idly wondered if, in addition to being Clinton’s “chic gal pal,” Abedin might not also be a “Saudi Spy? … Foreign Spy?” or “Terrorist plant?”