DAY FOUR OF THE SEARCH FOR MISSING HIKER RYAN ALBERT IN ROCKY MOUNTAIN NATIONAL PARK TURNED UP NO NEW CLUES , TECHNICAL TEAMS REACHED THE HIGHER ELEVATIONS ON LONGS PEAK AND DOG TEAMS COVERED SOME LOWER ELEVATIONS ALBERT WAS LAST SEEN LEAVING dENVER LAST THURSDAY WEARING DARK CLOTHES AND A BACK PACK IF YOU HAVE ANY INFO PLEASE CONTACT AUTHORITIES