Conversation so far:
what were the John Philips incest allegations?
In September 2009, eight years after Phillips's death, his eldest daughter Mackenzie claimed that she and her father had a 10-year incestuous relationship.
were these John Philips incest allegation claims true?
This is still unknown.

Question: how did it begin?
Self-contained rewrite: how did the John Philips allegations begin?