Hillary - obstruction of justice

It is an uncontested fact that Hillary destroyed over 30,000 emails. Let's say that differently. Hillary was directed to turn over all of her emails, but she chose to selectively destroy 30,000 of them. Destruction of material documents during a criminal investigation constitutes obstruction of justice, a felony. But you say, "She said it was only personal emails she destroyed." Hillary's assurance plus ten dollars will buy you a cup of starbuck's coffee. But, in addition to that, the FBI director testified that they were able to recover some of the emails Hillary tried to destroy. Guess what! They were not all personal emails as Hillary said. You guessed it. Hillary lied again! Why hasn't she been indicted for obstruction of justice?