ladonna cobb was caught in the twister that hit oklahoma in late may.e talking about storms that had already injured or killed 855 people in the previous 40 years. now even though 25 people died in the moore, oklahoma storm, this teacher's assistant may have saved lives with a risky decision. okay, so tell me what i'm looking at right here. >> this is the beginning of the new briarwood. >> this is where you used to teach? >> correct, this is where the old briarwood was. >> this is where you were during the storm? >> this is where we were may 20th. >> on may 20th, ladonna cobb, an assistant in briar wowood elementary's pre-k, risked her life to save students, all while the tornado was tearing up her building. >> all of us were saying lord, please, please protect us, let us be okay. >> tornado warning until 4:30. >> most tornadoes hit this area in the evening. >> moving toward moore. >> but this time the forecasters at the national weather service predicted that the storm will blow through earlier in the day. in other words, when the classes were still in