Tesla CEO Elon Musk prevailed in a jury trial on Friday over whether his tweets calling a cave expert a "pedo guy" constitute defamation, and he will not be held liable for damages, according to multiple media reports.Why it matters: Musk is no stranger to getting into trouble for his tweeting habits. Earlier this year, he and Tesla had to pay $20 million settlement each to the Securities and Exchange Commission after he wrote false claims about Tesla financing. What he's saying: “My faith in humanity is restored.”Elon Musk, walking out of the court roomGo deeper: Thai cave diver sues Elon Musk for calling him a pedophile