Enlarge / Elon Musk in 2015. (credit: ODD ANDERSEN/AFP/Getty Images) Elon Musk spent more than $50,000 digging into the personal life of British expat and Thai caver Vern Unsworth in summer 2018 in an effort to substantiate the claim that he was a "pedo guy." Musk revealed the spending in his latest response to a defamation lawsuit Unsworth filed against him last year. Initially, Musk's investigator turned up some seemingly damning information about Unsworth, including a claim that Unsworth began dating his wife when she was around 12 years old.