Inflammatory letter sheds light on Uber's alleged misconduct

SAN FRANCISCO — A former Uber security specialist accused the company of dispatching a team of spies to steal its rivals' trade secrets and using shady tactics to thwart its competition in the ride-hailing market, according to an inflammatory letter unsealed Friday by a federal judge.Those tactics allegedly included impersonating other people, illegally recording conversations and hacking into computers.Former Uber manager Richard Jacobs, who was fired earlier this year, made the explosive