today, ski patrol at the solitude mountain resort telling us just how critical every second is. >> the greatest chance of survival, as far as rescue goes, is relying on your partners in your group to get you out of the snow. >> reporter: in utah's millcreek canyon, that's exactly how four people survived. four others, including 29-year-old sarah moughamian, did not make it. >> her soulmate was able to get out quickly and unbury a couple of people, but when he got to her, she wasn't breathing and he couldn't revive her. >> reporter: david, the u.s. just had its deadliest week for avalanches in more than a century, with 14 fatalities. it's because of a weak snow pack and there's more bad weather on the way. david? >> will carr tonight. will, thank you. when we come back here, we have been following that story, the grandfather charged after his 18-month-old granddaughter fell from that 11th story window of a cruise ship. news coming in tonight, the grandfather and the sentence now.