Episode 120

Severe weather threatened more than 125 million Americans on Wednesday. Multiple states along the Gulf Coast issued flood alerts as Tropical Storm Arthur rolled through. Rob Marciano has the forecast. In a Long Island courtroom Wednesday, Rex Heuermann received three life sentences for choking and dismembering eight women, most of them in his basement, over the course of more than 15 years. The 62-year-old addressed the court before he was sent away. Tom Hanson reports. A record crowd is expected to turn out in Lower Manhattan on Thursday for the New York Knicks' long-awaited championship parade. The NYPD will be there too, treating it as a high-security event. Lilia Luciano reports. The Reflecting Pool in Washington, D.C., underwent a big overhaul, and all looked well until algae bloomed, turning it all green again. Tony Dokoupil has more.