TRUCKEE, Calif. – On Sunday, Aug. 9, the Blackbird Mountain Guide company released an independent investigation report on the Feb. 17 Perry’s Peak avalanche in the Castle Peak area that killed nine, including three of its guides. Avalanche professional Don Sharaf conducted the investigation at BMG’s request and prepared a report, which provides a timeline of the ski trip’s events and decisions leading up to the avalanche. Sharaf also discussed t…