@kpixtv: A preliminary report on the February avalanche in California near Lake Tahoe that killed nine people was released by the backcountry guide company involved assigned no blame for the tragedy, while highlighting the unpredictable hazards and complex conditions the group encountered. On February 17, 11 skiers and their four guides from Blackbird Mountain Guides (BMG) were returning from a three-day backcountry ski trip in the Castle Peak area of Nevada County when they were caught in an avalanche. Six skiers and three guides died in the state's deadliest avalanche. Tap the link above for the full report released by BMG.