what does opening bonnie carre spillway mean to the rest of the country along the mississippi river?opening bonnie carre is keeps essentially the chemical corridor, the port of new orleans, all of the population centers here in business. >> reporter: bonnie carre was tenstructed after the great ofssissippi flood of 1927. om homas the most destructive let me show you what's happening right now. loe million gallons of water is flowing through the spillway every single second from the mississippi through here into lake pontchartrain and then into the gulf essentially just being rerouted around new orleans. john, an official told me a short time ago the fact that most americans don't know we are in the middle of a major flood fight here in south louisiana is a sign that this is working exactly as it should be. >> dickerson: amazing. david, thank you. l are learning more tonight about an american airlines pilot who was hauled off by police just before a flight. turns out he was wanted for a triple murder. kris van cleave reports. >> reporter: the mugshot is eye catching. 51-year-old pilot