He's accused of shooting Ralph Yarl after the teen rang his doorbell
                                
                                
                                    (Newser) -
                                    The 84-year-old Kansas City, Missouri, man charged in the  shooting of a 16-year-old  who mistakenly rang his doorbell has turned himself in. "Andrew Lester ... has surrendered at our Detention Center and is in custody," the Clay County Sheriff’s Office said in a statement Tuesday. "He is...