Elon Musk asks for help solving the "complex" riddle of SpaceX's rocket explosion

 On September 1, one of SpaceX’s Falcon 9 rockets exploded during pre-launch prep, and now Elon Musk has taken to Twitter to seek clues about the cause from any third-party footage of the incident that may exist. Plus, he’s not ruling out some kind of third-party interference. In a series of tweets early Friday, Musk noted that SpaceX is “still working” on the…