>> sandra: officials and waukesha, wisconsin. a man driving a vehicle plowed into the parade crowd, killing five people and injuring 48. it was an update for the press conference detailing two children still in hospital in critical condition. the officials describing the investigations as fluid and ongoing, naming the suspect, call him a suspect for the first time that we have heard a person of interest before the press covers, darryl e brooks. police say they will pursue five counts of intentional homicide against the suspect. it was a tragically sad moment. four women ages 52 to 79 and an 81-year-old man. again, children tragically injured in all this, the motive has been the big question.