As Prince's health waned, alarm grew in inner circle

Investigative files released as prosecutors closed their probe into Prince's death show that his closest confidants had grown increasingly worried about his health in the days before he died - and that they tried to get him help.

Prince's death: Key players in investigation and aftermath

Prince was found dead of an accidental overdose of the powerful painkiller fentanyl on April 21, 2016. Several key people had contact with Prince before his death, and were involved in the investigation that followed. Here are some of the key names in the case:

As Prince heirs stew, bankers and lawyers cash in on estate

As the second anniversary of Prince's death approaches, the rock star's heirs have yet to collect a dollar of his estimated $200 million estate. But bankers, lawyers and consultants have earned millions from it.