it was at least the fourth time this year that a broward deputy has been charged with excessive force. two deputies are awaiting trial on misdemeanor charges after a teen was beaten and pepper sprayed outside a mcdonald's last spring. and last week another deputy was fired after slugging a suspect who was handcuffed to a hospital bed. sheriff tony vowed today to continue cracking down on deputies who violate department standards. deputy miller, who has no record of disciplinary problems, has been suspended from the force and faces one count of felony child abuse. he could get up to five years in prison if convicted, norah. >> o'donnell: vlad, thank you. there's still much more ahead on tonight's "cbs evening news." the frightening new research that finds girls who play soccer are at a higher risk for concussions. the rise of teen vaping and the flavors turning kids into addicts. and writing the final chapter. one widow's remarkable tribute to her husband. e widow's remarkable tribute to her husband.