Four 911 medical calls from Prince's homeBy Lisa Respers France, CNN

Prince was enigmatic in life. And a week after he was found unresponsive in an elevator in his home and declared dead, the circumstances of his death are still not completely clear.But new information has surfaced about emergency calls made to his beloved Paisley Park.Between 2013 and Prince's death on April 21, four medical emergency calls were made from Prince's home, according to reports from the Carver County Sheriff's Office.Officers responded to 911 calls for medicalassistance on October 23, 2013; August 9, 2015; September 6, 2015; and, of course, on April 21, 2016.The causes and outcomes of the first threecalls were not immediately known and are not a matter of public record. CNN has fileda request for information about the medical emergencies.The most detailed information available is about how the authorities found the superstar's body."On 4/21/2016 at about 0943 hours, sheriff's deputies were dispatched to a medical call at Paisley Park 7810 AudubonDr., Chanhassen, MN. Sheriff's deputies and emergency personnel from Chanhassen Fire and Ridgeview Ambulance arrived at or about 0948 and found an unresponsive adult male in the elevator. They tried to provide lifesaving CPR, but were unable to revive the victim. He was pronounced deceased at 1007 hours. He was identified as Prince Rogers Nelson (57) of Chanhassen."Investigators are awaiting autopsy and toxicology test results to determine why he died.The continued murkiness surrounding the singer's death is not surprising given the remarkably private life he lived. And there is also the matter of an ongoing investigation into exactly what led up to hisdeath.A Carver County judge sealed a search warrant for Prince's home and any evidence coming from it, according to court documents.A prosecutor and sheriff's deputy who requested that the warrant be sealed said in the documents that they did so out of concern that disclosure of the details could"compromise this law enforcement investigation."