the sanford florida neighborhood watchman is charged with second-degree murder in the deadly shootingf unarmed 17-year-old trayvon martin. >>> oakland's police department is introducing the five captains and lieutenants who will oversee the districts. you can see how the city will be divided from this map. ktvu's katie utehs just stepped out of the ceremony to explain the major goal of this change. good afternoon, katie. >> reporter: good afternoon, tori. well, that introduction ceremony started within the last 15 minutes making those police captains more visible to the public is the main component of this new model. let me show you the video we just took of the captains. they will oversee one of oakland's five districts. they will each be dedicated to a district. now, by dividing the city into five areas, the geal is to dayer crime prevention for each -- the goal is to tailor crime prevention for each city. i spoke to one of the casten. >> it narrows -- captain. >> it narrows into one area. it's an area that i think is manageable, that as a commander, we can see the crimes that are o

african-american, was walking back to his father's girlfriend's home in sanford, florida, when encountered volunteer neighborhood watchmaneorge zimmerman. zimmerman called 911. the dispatcher asked zimmerman if he was following the person. he replied yes. causing the dispatcher to say, quote, we don't need you to do that. what happened next is a matter of dispute with zimmerman, claiming he shot and killed martin in self-defense. after questioning, local police let zimmerman go and chose not to press charges. for days, martin's shooting death received no attention. that all changed after martin's parents contacted national civil rights leaders. who accused them of letting a killer go unpunished. thousands protested. demanding that zimmerman be prosecuted. florida lawmakers had to defend the controversial stand your ground law. the case of course is politically charged. members of the congressional black caucus also became involved. congressman bobby rush took to the house floor wearing hoody similar to what trayvon martin wore the night of his death. even obama weighed in from the rose garden. >> obviously, this is a tra

sanford, florida, for us tonight. >> reporter: it's the case that's renewed america's long, bitter and polarizing debate over both race and guns. neighborhood watchman george zimmerman, now facing trial for second degree murder in the death of 17-year-old trayvon mar martin. the jury of six women will be sequestered during the trial, which is expected to last two to four weeks. those jurors will hear from key witnesses, neighbors who saw or heard the fight that fateful night. the jury will also watch that video clip of zimmerman describing how he acted in self-defense. but will he take the stand? his lawyer says he'll make that decision during the trial. one of the toughest jobs for the jury, determining who was crying out for help on that 911 call. [ screaming ] prosecutors have argued it's martin's voice, with voice experts to back that up. but zimmerman's lawyers countered with their own experts, saying it was his voice. the case may hinge on whose voice is on that call. in a last-minute ruling, the judge concluded jurors won't hear from the prosecution voice experts. why is that considered a setback for the prosecution? >> because the prosecutio

george zimmerman, of course, the former neighborhood watchman who shot and killed 17-year-old trayvon martin last year in sanford, florida. zimmerman says it was self-defense. prosecutors call it murder. and the star witness testimony could help make or break this case. a prosecutor identified her yesterday finally as rachel general tell and said she was on the phone with 17-year-old trayvon martin the night of that shooting. in testimony last year rachel wrote that trayvon martin told her a man was following him and was getting closer. she wrote in return, then trayvon turned around and said "why are you following me?" then i heard him fall. and then she says the line went dead. prosecutors also showed jurors some evidence today of skittles thatuit drink trayvon martin died. as well as the 9-millimeter handgun that put a boulevard -- bullet through the teenager's chest. phil? >> shep, a second straight day of tears for the parents of trayvon martin as gruesome photos of their dead son were shown in the courtroom on the big screen. it was all too much for the father, tracy martin who with his attorney quickly walked out

sanford, florida, live pictures in the courtroom. george zimmerman. that neighborhood -- volunteer neighborhood watchmanused of killing trayvon martin, the unarmed teager, shooting him, has admitted to shooting him, the jury has been picked in that case. a six-member jury. we're going to take you there live as well. back to wall street now and felicia taylor. felicia, it is not looking good. >> no. and it's absolutely accelerated in terms of the selling pace in just literally the last probably five or ten minutes. that is not necessarily unusual. the last hour of trade between sort of quarter to 3:00 and 3:00 on the new york stock exchange often accelerates what the pace has been. i would anticipate that selloff is going to continue. we are near session lows. the lowest so far was 338 points. the debate is out there, don, as to when this pace of, you know, bond buying is going to start to pull back. again, you know, and i emphasize this because i think it is so important. this is -- this is a slow pullback. they aren't taking away all of the funds and the stimulus that has been in the marketplace all at

sanford, florida. that's the wore from observers. they heard several f-poms and then a knock-knock job from the defense. of course, george zimmerman is the self-proclaimed neighborhood watchman charged withmurderring the unarmed teenager. zimmerman says he shot in self-defense. today prosecutors told the all-women jury that zimmerman profiled the teen as someone about to commit a crime. the prosecution opened with words we rarely hear in open court. >> good morning. [bleep] punk. [bleep] they always get away. those were the words in that green -- grown man's mouth as he followed in the dark a 17-year-old boy who he didn't know. and excuse my language but those were his words-not mine. [bleep] punk. these [bleep] they always get away. >> shepard: the defense countered that. the jurors would learn the context of the words and it was a teenager who started the fight that turned deadly but the way the defense began its statement left folks in the courtroom stone-faced. a joke that fell flat. >> knock, knock. who is there? george zimmerman. george zimmerman who? all right. good you're on the jury. nothing? that's funny. >> shepard: actually really wasn't according to those in the

on february 26th, 2012, volunteer watchman george zimmerman called 911 to report a suspicious person walking around his sanford, florida neighborhoody is wrong with him. yep. >> reporter: going against instructions, police -- police say zimmerman pursued the person and there was a violent confrontation. 17-year-old trayvon martin was shot and killed. he was unarmed. zimmerman admitted to shooting the teen. he was taken into custody but later released after telling investigator esfired in self--- investigator esfired in self- defense. rallies occurred all over the country calling for justice for trayvon martin and. zimmerman was eventually charged with second-degree murder and released on bond. he's offered his apologies to martin's family. >> i feel sorry they lost their child. >> reporter: heading into this week's jury selection, zimmerman's attorney gave a preview of what he's looking for in a panel. >> i want open minds, people who have not made up their minds and people who are strong enough to decide the case on the facts and the law and not on the external publish pressure. >> reporter: o'meara said he has no immediate plans