>> reporter: hillary clinton will hold her first campaign event in iowa today. it's expected to be a small event. the big rallies we're used to seeing, that won't happen until sometime next monday. next month. karen travers, abc news, washington. back to another case of lethal force used by law enforcement in confrontation with a black suspect. this happened on april 2nd. police in tulsa chasing down a suspect who allegedly tried to sell an illegal gun to an undercover officer. during the struggle, a 73-year-old reserve sheriff's deputy mistakenly pulled out his handgun instead of a stun gun and shot the suspect. 44-year-old eric harris died an hour later. prosecutors have charged that reserve deputy, robert bates with second degree manslaughter. if convicted, he could face up to four years in prison. at a news conference yesterday, the victim's brother doesn't believe the shooting was racially motivated. a manhunt is under way after a fatal shooting at a north