survivors have described their attacker as a tall, white male with a muscular build. most of the 20 victims have been african-american. >> the only thing that kept me alive is i played dead. >> he is methodical from the standpoint of figuring out a way to get people to him or catch them off-guard. but at the end of the day he's really looking for vulnerable people. he wants, it appears, to victimize as many black people as he can. >> police say they have received hundreds of tips and they hope to catch the killer before there's another attack. a family from texas is back together and safe this morning after being rescued from a glacier in alaska. the last two members were flown to a hospital where they were reunited. they were on a sightseeing flight sunday when their aircraft went down in severe weather. several members of the national guard were also brought to safety yesterday. their helicopter was damaged in a rescue attempt on tuesday. federal investigators say there is no evidence of a