March 14, 2014 6:44 pm Sierra LaMar's Father: “Not Knowing What Happened” is Most Frustrating After 2 Years Two years after Morgan Hill teenager Sierra LaMar was last seen near the bus stop near her home, the search to find her continues. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks