students. three of them were chaperones, one an admissions counselor at humbolt state university. the driver of the bus and the truck they both died as well. this was supposed to be a trip filled with such promise for these students. 48 high school students, high school seniors, headed to humbolt state university for a spring open house to check out the college that they hoped to attend, and, of course, now it is turned to a very tragic and horrific situation for these families. >> stephanie stanton, thank you so much for that update. also, the news cycle, a setback for missing malaysian flight 370. the prime minister of australia says he is confident that signals picked up by the u.s. navy's on board an aussie ship were from the flight recorders, but the ping detected by sonar buoys this week is not related to the plane. search teams continue to drag the navy towed pinger across the ocean to narrow the search zone. once that happens, the unmanned blue fin mini-subwill be sent to map the ocean floor.