where their child is. >> reporter: strong currents and murky water making it impossible. rescue operators with pumping oxygen in in the hopes of providing air to anyone who might be alive inside. for desperate families waiting for answers, it's not enough. they're bleeding with authorities to do more releasing a statement saying we are making this appeal with tears because we are so furious with the way the government is handling this. this man is waiting for word on his 16-year-old nephew. >> even if how hard it is, how difficult it is, how hard it is, i don't care. i want to hear the truth. >> reporter: new questions this morning. why, when the ship took 2 1/2 hours to capsize, were hundreds still trapped.