April 19, 2018 7:28 pm San Mateo County to Host Missing Persons Day San Mateo County will hold its first-ever Missing Persons Day this weekend hoping to crack some unsolved cases. Christie Smith reports. 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