October 26, 2017 1:45 pm New Details on Border Wall Prototypes NBC 7’s Audra Stafford reports in Otay Mesa on the border wall prototypes and the strict guidelines to prevent anyone from breaking through. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks