. >> reporter: flanigan is the mother of a 3-year-old girl and aunt to the 5-year-old. police believe mason was flanigan's boyfriend. >> her driver's license was currently suspended as a result of a prior dui. >> reporter: in investigators say they found open and unopened alcoholic beverages in the car. flanigan, mason and the girls were reportedly heading home from a barbecue. >> the message here is don't drink and drive. you can call a taxi cab, public transportation, designated driver, or just stay at the location that you are. it's not worth it. lives will be changed forever. >> reporter: flanigan faces a litany of charges, including felony dui and vehicular manslaughter. live in oakland, john sasaki, ktvu channel 2news. >>> more details now, the latest number from the chp showed drunk driving-related deaths have been increasing in recent years. 1997, 1100 people were killed in dui-related crashes. five years later, that number had increased to 1300. in 2007, that's the most recent year the statistics include, 1489 californians were killed in dui crashes. >>> we are