CNN Anderson Cooper 360 June 4, 2013 00:11:00
>> reporter: the emptiness and grief is intense. as the search for the missing woman goes on. gary tuchman, cnn, oklahoma city. >> it is just horrible to think about them in that storm drain. storm drains clearly can be deadly. the question is what about cars. the advice can be confusing. this is really important because on friday night, there were so many people trapped in their cars on i-35 and i-40 in bumper to bumper traffic. the national weather service in norman, oklahoma tweeted this on friday. flash flood threat is high right now for oklahoma city metro. most people who die in flood dr...