serrino as well, correct? >> yes. >> did you notice significant differences in that statement compared to these two? >> not significant, no. >> but some minor changes? >> some minor differences, yes. >> and do you recall what they were? >> i remember one where he had told me he walked away. then in the interview when we listened to the tape, he was telling dispatch he had ran away. like he was running. >> when you say he, you're talking about -- at one point he told you, he being george zimmerman, told you trayvon martin walked away. >> walked between the houses. >> walked between the houses. yet, a review of, let's say, investigator serrino's statements say he told him that trayvon martin had run away. and that's a difference you noticed? >> right. and that's what he had said on the dispatch was that he ran. >> right. i was going to say, we know from previous evidence that the dispatch nonemergency call suggests that he ran away. you're aware of that, aren't you? >> yes. >> and that was a difference you noted

. >> chris serrino is on the stand now testifying. let's go back and listen in. >> you wanted us to believe that you were concerned about having a flashlight to move back where you just ran? what's up with that? >> it sounds like you're looking for him. >> you brought a flashlight with you. >> yes. >> what if you don't see him. >> i'm going to catch the bad guy. >>> the punk can't get away. >> this is an interrogation room. we are in a whole different area right here. this is why i took you out of there. so i can recall your memory and let you see if they say if you say you walked back to your car -- is there anything you need clarify right now? did you pursue this kid? did you want to catch him? >> i told you. >> why did you tell -- >> i was frustrated that i couldn't think of the street name. >> you were going to be back in your car. in less than 15 or 20 seconds. why would they need to call you? >> i felt like i didn't give them an adequate description of where i was. >> the impression would be you're going to continue looking. whe

. >> reporter: homicide investigator chris serrino says that's not what he told them when he first listened to it. >> he looked away and under his breath, as i interpreted it, said no. >> reporter: george zimmerman's fate could hinge on the screams and in its first full day on the case the defense played it for witness after witness, all zimmerman friends, all agreeing -- >> that's george's voice. >> i thought it was george. >> definitely it's georgie. >> they want to say he's the victim because now he's use self-defense. >> reporter: under cross-examination the detective noted when zimmerman heard the tape he didn't think it sounded like him either. >> i believe his words were, "that doesn't even sound like me." >> reporter: that audio is so crucial that 11 of the 12 defense witnesses who have testified have been asked about who was screaming. tonight we learned another piece of evidence will be admissible. the amount of marijuana in trayvon martin's system. >> matt gutman reporting in for us tonight. >>> now we head overseas to the boiling unrest in egypt, the giant arab nation and a linc

. >> chris serrino is on the stand now testifying.back and listen in. >> you wanted us to believe that you were concerned about having a flashlight to move back where you just ran?

the fact that he said he interpreted made it clear it was somewhat not clear but also, serrino said singleton was not there. so there is issues there in terms of what he said, but most importantly, though, we must remember he heard a series of 911 calls and at the end this gun shot. that was the final thing that took his son's life. in terms of whose voice it was, that wasn't the focus. the focus was on the gunshot and that gunshot is the climax of that tape, not the voice that you hear. >> mark o'mara says he's convinced the state has not proved their case beyond a reasonable doubt of second-degree murder. are you convinced the state has proved second-degree murder beyond a reasonable doubt? >> i think they either have it or very close and i think that's why the law allows the lesser included offenses, so at this point, all we want is justice and so we believe we're very close to getting that justice. >> daryl parks, appreciate your time tonight. thank you. >>> we got a lot more to get to with the panel, the no non-sense judge and exclusive interview with the police chief billy. you may reme

there that they could have just charged at manslaughter which is what the lead investigator chris serrinocommended. it is a lower bar and it doesn't have to address an intent at all. >> bill: so did they meet the bar of second-degree murder? you can't help but follow this trial. there's so much coverage of it these days. do you think the state has met -- or do you think zimmerman is likely to walk? we know he shot him. do you think he shot him in self-defense? 1-866-55-press. the toll free number. join us with corey dade from the root when we come back on the "full court press." >> announcer: this is the "bill press show." we have a big big hour and the iq will go way up. (vo) current tv gets the converstion started weekdays at 9am eastern. >> i'm a slutty bob hope. >> you are. >> the troops love me. (vo) tv and radio talk show host stephanie miller rounds out current's morning news block. >> you're welcome current tv audience for the visual candy. just be grateful current tv does not come in smellivision. the sweatshirt is nice and all but i could use a golden lasso. (vo) only on current