cnn's john zarrella is live in miami this morning. a lot of evidence to go through, including the reports of traces of thc, which comes with marijuana, in trayvon's system. >> reporter: a couple hundred pages that came out along with the pictures and the videotape. and you know, the attorneys are going to of course spin this, they're going to try to characterize it, to mold it to fit their cases. and ultimately that's when we go to court and why we try to figure out and how they try to figure out who has the advantages here, if anybody, looking at this video and looking at all of this information. you know, we went through a lot of the documentation, a lot of the witness statements. and all of the witness statements that i read all indicated the same thing. they heard the scuffling. they heard the cries for help. but none of them actually saw what happened. the autopsy report, you mention that. with the traces of thc. a lot of experts say, don't read too much into that. because thc can linger in someone's blood for up to a week. but i

john zarrella is live with this story. hey, john, good morning. >> good morning. >> so, when's it going to dock? >> about 6:59 central time, so just before 8:00 a.m. eastern time. and remember, ladies, this isn't a space shuttle. it's really tiny. you could fit this inside the space shuttle's cargo bay. and one thing that we have to make sure everybody understands, this is what they call a birthing. it's not going to dock to the space station like the shuttle did, backing in and connecting right up. they actually have to reach out with the space station's robotic arm, and they will grab it with the robotic arm and then very slowly pull it in and birth it, as they call it, to the international space station. now, don pettitte, the astronaut aboard along with and andres keepers, they will perform that delicate maneuver. if you just touch it the wrong way and don't grapple it properly, you could hit it and spin it out of control. so, it is not easy to pull this kind of maneuver off. so, bottom line, the next couple of hours ar

john zarrella is in florida. he's been watching this thing all morning. good morning, john. >> reporter: yeah, you know, it's two-fold interesting today because this is the first real test of nasa's new philosophy turning over to the private sector flying cargo and eventually astronauts in three or four years to the international space station allowing nasa to free up its moneys to go ahead and fly to the deep space hopefully develop a rocket that can take humans onto an asteroid or even onto mars and we also did hear as we mention the fact that in the second stage of that rocket that the company was carrying in that second stage a canister which remains of hundreds of people including scottie from "star trek." something the company does on a regular basis contracting out with rocket companies to do this kind of thing for a price and after the launch today, the ceo of space x talked about just what a thrill this was for everybody in this company and how this is a huge first step. >> every bit of adrenaline in my body released at that point. it worked perfe

cnn's john zarrella joins me from miami. let's start off by asking john how is the mission progressing so far? >> reporter: early on going really, really well. there's only four gochts vernme that have ever accomplished what they're attempting to accomplish. russia, the united states, japan. that's what space x is attempting to do. so far so good, marty. on track to do that sometime on friday. >> when you read the reports of this launch, you hear words like this changes everything or a game-changer. and explain to people why is this so important, this particular launch? what does it mean for the future of space? >> reporter: yeah. it's a whole sea change in the way that nasa does business. very early on nasa determined, you know, this is why we have the space shuttles retired now. nasa could not afford to continue firing the space shuttles up to the international space station as cargo carriers and astronaut carriers. couldn't afford to do that and at the same time build a new rocket to take astronauts on to places like an as

john zarrella has been watching all morning. >> reporter: history on hold, randi. i talked three weeks ago with the ceo of space x, and he told me, you know, i always knew rocket science was hard, but it's even harder than i thought it was is what he told me. and it's even harder than what he thought he thought it was now. it's turned out that it is certainly difficult. space x finding out. what happened today, one of the nine rockets on the falcon rocket that was going to lift into orbit the dragon spacecraft, one of those nine was registering too much pressure in the engine compartment, so with half a second left before the liftoff, the computer system, automated computer system shut the whole thing down. now, the president of space x at a news conference today, from the kennedy space center, talked about what's next. >> what we're doing now is we are detanking the vehicle, saving the flight termination system, doing a ttep sweep, which basically clears the ignition fluid and we should have some technicians into that engine about noon today. >> so if they find it

john zarrella, cnn, miami. >> amazing. i'm carol costello. thank you for joining me this morning. cnn this morning continues with fredrick fredricka whitfield. the most hyped ed ipo is here. we will see the facebook effect on the stock market for the very first time. ceo mark zuckerberg rang nasdaq's opening bell from the headquarters in california as the stock goes public. we have facebook's ipo covered from coast-to-coast here in the u.s. we have ali velshi and dan si n simons is outside the headquarters outside menlo park. facebook's price will be showing at the bottom of your screen. let's begin with christine romans in new york. give us the starting price of "fb" the ticker name. this is the third largest public offering behind gm and visa, right? >> reporter: that is right. it could be the second largest by the time all of the trades are said and done. we are still waiting for the indications at nasdaq where it could be. it looks like it will be higher, obviously, no price there. we have not seen the trades cross yet. we are watching the matching buyers and sellers. we are t

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cnn's john zarrella is live in miami marking the era with us. verything progressing up there so far, john? >> christine, it's painfully slow how this is going. you know, they've fallen a little bit behind the time line but there's a good reason for that, as you mentioned this is the first time that a commercial company has ever attempted to actually hook up with the international space station so nasa is going through all the steps, they're doing lots of demonstrations, and lots of tests. at one point they brought dragon in closer to the station, then backed it away to test dragon's braking system. they are, again, moving it in closer, and now so they're running behind the time line, we thought it would be right around 8:00 a.m. eastern time that they would go ahead and have to capture where they'll use the space station's robotic arm and reach out and grab dragon but now it looks like that's going to be sliding in, you know, beyond 8:00, between 8:00 and perhaps 9:00 a.m. eastern time, when that will take place but again, it is critical that the

cnn's john zarrella talks about the event. >> reporter: the mission is unprecedented.ime. after months of delays, a commercial company's spacecraft is attempting to make history. there is, says spacex ceo's high anxiety. >> despite that, there is still a significant risk. >> reporter: risk because a handful of nations have ever done this before and before now, no commercial company has ever attempted it. once in orbit, the unmanned spacex dragon capsule will rendezvous with the space station. astronaut don pettit will reach the robotic arm and grab it and berth it to the station. >> it is hard technology to develop. of course, we need to prove we have done it correctly. i think there is a good chance that we don't quite succeed on the first time, but i'm confident we will succeed on the second or third. >> reporter: there is, quite literally, a lot riding on this. with limited dollars, nasa decided to retire the shuttle, develop a new rocket to take humans on deep space missions to mars and turnover to commercial companies the job of ferrying cargo and astronauts to th

let's go to john zarrella, following the story for us. walk me through a little bit more about this evidence. what are we to glean from this? >> brooke, about 200 pages released and i think a lot of what we're seeing validates things that were leaked out, things that we had heard since the february 26th shooting. other things that are coming out, including the 7-eleven video that was released, showing the last moments that trayvon martin was alive, when he was in that 7-eleven buying the skittles and the iced tea before he walks back to the neighborhood, where ultimately he's confronted by the neighborhood watchman, george zimmerman, and is shot. now, we also have an image taken from a cell phone camera, by a police officer at the scene, after the shooting. it's the only image taken of george zimmerman at the scene. the photo that you just showed a moment ago was one of several that were taken later, when zimmerman was at the police station that show his bloody back of his head, his nose that appeared to police officers to have been broke

i want to go straight to john zarrella in miami. john, what happened?e this american airlines flight 320 from montego bay landed in miami this male passenger got up from his seat when he was told to sit down by the flight crew as they were taxiing in. he refused to sit down. he began to move towards the front of the airplane towards the cockpit. at that point he was restrained by members of the flight crew and we believe by some of the passengers as well. but the plane, again, to reiterate was already on the ground. now, we have been told that the fbi is investigating the reports that the man moved towards the cockpit, and he is in federal custody while they continue the investigation into exactly what happened and why it happened. >> john, do we know if he had any intention of going after the pilot or anything like that or was he disoriented? had he been drinking? >> we don't know. one of the reports was he may have been disoriented as he went towards the cockpit, but that's all we have heard was that he may have been disoriented, but clearly he did no

john zarrella, cnn, miami. >> that's it for me. thanks for watching.xt on cnn. >>> good evening. i'm john king tonight, facebook falls flat with tepid response from investors tells us about the social networking site some say can do

john zarrella is joining us live from miami to talk about what we're seeing in the photos.t the new photos of zimmerman taken at the sanford police station shortly after the shooting. you see the cut on his nose as well as a gash in the back of his head. these are things that were not seen clearly at the police station video, plus we're also getting some new sound from witnesses. what stands out to you in all of this when you take a look at these pictures? >> reporter: right, suzanne. that's exactly right. i think a lot of this validate what is we had heard earlier about the kind of bruising that zimmerman claimed to have, about what the police said that his head had been bloodied, that he perhaps broke his nose. it appeared he had a swollen, perhaps broken, nose. in a lot of what we're hearing and some of the audio recordings that were released as well yesterday are pretty riveting. one of the witnesses talking about the fact that, you know, they all heard the cries for help. they all heard the gunshot, but none of them, the witnesses, could see exactly what happened at th

john zarrella, cnn, miami. >> that's it for me. thanks for watching. i'm wolf blitzer in "the situation room." the news continues next on cnn. >>> good evening. i'm john king tonight, facebook falls flat with tepid response from investors tells us about the social networking site some say can do no wrong. plus our campaign report card looks at governor romney's report card. >>> john edwards fate in the jury's hand. what they tell us about the deliberations. >>> we begin this evening with what you might call the facebook hangover. after the hype and buildup after the initial offering of stock, trading started late, price didn't sky rock and facebook closed essentially flat, just $0.23 higher than the opening. at least facebook was up. dow industrials, nasdaq, s&p 500 closed out their worst week of the year. discuss with business correspondent ali velshi. let's start with facebook. what happened? >> generally you set a price for a stock, $38 in this case that is posed to create enough demand the stock goes up. early stage investors get to sell that stock.

john zarrella, thank you very much. >> sure. >>> also this morning a blind chinese human rights activist who hid out at the u.s. embassy in beijing is on his way to the u.s. chen guangcheng, his wife and two children have been cleared by u.s. authorities. their flight out of beijing was delayed for two hours but now the plane they're supposed to be on is headed to newark. last month chen escaped house arrest and found his way to the u.s. embassy and was hospitalized. after a lot of back and forth china agreed to let chen leave the country to study abroad. he has been invited to study at new york university. >>> the leaders of the g8 countries get down to business today quite literally. president obama is hosting the summit at camp david. front and center on the agenda is the european economy and the eurozone mess. they are trying to find solutions to the uncertainty with countries like greece and spain. protesters are massing in chicago. they have gathered there ahead of sunday's nato summit. nato leaders have the global economy and the future of afghanistan as their top issues. now back

john zarrella takes a look for us with the voters. he joins us live from miami. >> reporter: well, i know you know this place. this is domino park in miami's little havana and for decades, cuban americans have been coming here to play dominos, to talk politics and on more than one occasion, discuss the overthrow of fidel castro. you know, 13% of registered voters in florida are hispanic. it is a critical vote coming up this november getting hispanic voters, but it's no shoe in that either one of the candidates will get the majority. patrick enjoys a good cigar and a game of darts at his favorite hangout in tampa, but the publisher of a small weekly newspaper is not your traditional cuban american. he's a democrat, not a republican. he says that the issue that will decide how many hispanics in florida will vote is not what you might think. >> immigration at the end of the day doesn't affect many voting hispanics. schools affect them. social security. medicaid. medicare. all these other issues. jobs, jobs, jobs. >> reporter: experts say

. >> john zarrella is live in miami. this is exciting stuff. this is unmanned.and me on board those flights? >> astronauts probably three or four years. people like you and me, that's another story entirely but the astronauts certainly in about three or four years. nasa this summer is expected to go ahead and make a decision on which commercial companies will get the contracts to take astronauts, the manned missions, spacex is one of about four or five in the running for the human-rated flights and probably 2016 before we see that. lots of glad handing and slaps on the back, pats on the back, handshakes today from all of people at nasa and spacex ceo speaking from hawthorne, california, where they have the mission control headquarters, talked about the excitement out there at the moment of liftoff. >> most of the company gathered around mission control, so and really seeing the fruit of, they're suing the fruit of their labors and wondering whether it's going to work, and there's so much hope riding on that rocket so when it worked, and people saw their handie w

john zarrella is in miami. i want to continue to show our viewers the cool pictures. i want you to take us through what's about to happen. >> the dragon is dragging right now. they got behind the time line again. what happened was they had run through a series of maneuvers and procedures to check out all of dragon's systems from its braking system to its acceleration system and when they gave the go ahead to move within 30 meters, 100 feet of the space station, at 70 meters out they said stop. they were having a problem with the onboard radar system. the system on dragon. what that does is measures the distance by sending a beam that reflects off a spot on the station and then sends that reflection back to the dragon. the beam was hitting the wrong place on the station and not the reflector it needed to hit. they are trying to figure out what they're going to do if in fact they can go ahead and proceed. we saw from nasa it looks like 10:10 eastern time now is the new target time for the actual grapple where astronaut don pettette will reach out and grab onto dragon an

john zarrella has details of one risky attempt. >> reporter: the mission is unprecedented.s your fingers time. after months of delays, a commercial company's spacecraft is attempting to make history. there is both excitement and high anxiety. >> we've done everything we can think of to ensure the suck of the mission. despite there's still significant risk. >> risk because only a handful of nations have done this before. before now no commercial company has ever attempted it. once in orbit the unmanned space x dragon cancel will head for a rendezvous with the space station. if all is well after checks and maneuvers, the astronaut don pet it will reach the arm to reach out, grab hold and berth it. >> it's been a hard technology to develop. of course, we need to prove we've done it correctly. i think there's a good chance we don't quite succeed on the first time. but i'm confident we'll succeed on -- if it's not the first, the second or third. >> there is, quite literally, a lot riding on this. with limited dollars nasa decided to retire the shuttle, develop a new rocket to ta