. >> reporter: marine commander hollis smith said the battle for was the hardest. another 18,000 were wounded. it took 36 days to secure. nemitz said that it was where uncommon valor was uncommon virtue. >> you think about those who are still buried in the island. and you also feel a little guilt because you made it and they didn't and you wonder why you. >> reporter: the picture taken does not answer those kind of questions. but with a flicker, in that moment, he captured something that still to now lingers. offering us perhaps some idea why it all had to happen. >> still to come on a second look, the japanese american soldiers who served in the pacific. >> plus they spoke in an unwritten american indian language and became a crucial part of the american battle. ♪ you treat every minute like it's a chance to do something. so you're always moving. constantly searching for the next opportunity to make the most of what life has to offer. your time is valuable. so you reach for something better. fewer calories. fewer carbs. more to experience. michelob ultra. the supe

holly austin smith, a survivors of child sex tracking and oughtor of walking pray. how america's youth are vulnerable to sex slavery. joseph, 169 kids saved in a week. where are they coming from and missing? >> first of all, let me just say, lisa, that this is a national tragedy. these are america's kids. these kids come from all over. all aspects of society from poorer areas to middle income to affluent areas and they are targeted olbermann. they are targeted at schools. they are targeted at malls. i had an opportunity to hear holly speak, very compelling. kids are vul numberable, and as i said, these aren't all high crime at risk areas you might imagine these kids would be coming from? >> that's right. >> it is true kids who are from homes of neglect and abuse are more vulnerable and often, this mirrors the backgrounds of the pimps as well. >> i think it's inconceivable that a kid goes missing. >> well, actually, only in two states in the united states is it law, state law to report kids missing from foster homesets. homes. >> some come from various agencies. some

molly smith of our affiliate wreg is in one of the hard hit sections of memphis. holly, good morning. >> reporter: good morning. this is what we are seeing across the city. lots of standing water. several homes in this neighborhood had to be evacuated and this morning as they're returning home, they're getting a first look at the damage that they now have to clean up. this was the scene throughout much of memphis on sunday as floodwaters swamped the city. a relentless 30-hour stretch that delivered more than 7 inches of rain, nearly twice as much as they'll get for an even tire month. >> i could believe it. it's like a dam had broke. we took boats and something that likes like a big old machine and got out. >> reporter: while some found ways to get around, some families had to be rescued. with chest-high waters, an entire neighborhood had to be evacuate. so much water threatened west memphis, the fire department had to be called out. crews went door to door to make sure no one was stuck inside. >> the water started pouring in my back door real fast and after that it was