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Voice analysis expert testifying at george zimmerman's murder trial. the state witness now discussing the recorded screaming of that 911 call that was placed the night trayvon martin was killed. the judge resumed that two weeks ago in fact voice experts could not testify about who was screaming. but this witness still giving sphean overview of the quality of the actual tape right here. >> in this case the screaming ratio was very poor due to the distance between the telephone set in the accept is that was being used. and resumed in a location where the altercation was taking place. of course w...

Icon is in critical condition. mandela has been the hospital more than two weeks, being treated for a lung infection. the president of south africa says that doctors are doing everything they can to help mandela improve and keep him comfortable. the taliban says it killed ten foreign climbers in pakistan to avenge the death of one of its leaders in a u.s. drone strike. terrorists disguised themselves as policemen before attacking a remote camp where the climbers were staying. the pakistani guide was killed. victims including one american were preparing to climb the world's ninth-tallest moun...

Giving his medal to the mayor. presented his medal, the first major running race there since the april marathon bombings. opening statements start tomorrow in the george zimmerman trial. in a highly anticipated ruling saturday, the judge decided not to allow the prosecution to present testimony from voice experts on the 911 call made the night trayvon martin was killed. zimmerman is charged with second-degree murder. he has pled not guilty. he claims he shot martin in self-defense. lisa bloom is msnbc's legal analyst. good to see you on a sunday afternoon. >> hello. >> opening statements set...

He's been put upon a lot of pressures about this case, there are other things outside the facts of the case. he's never going to be able to put that behind himself. >> saturday the court ruled prosecution voice experts failed to use the right procedures and they won't be allowed to testify before the jury. >> so you think he's yelling help? >> yes. >> the state's experts don't even agree among themselves. >> reporter: off and on for more than two weeks. >> same objection, your honor. >> reporter: the two sides sparred over the science applied to the 911 recording. >> while seemingly a serious ...

The judge has ruled the testimony from voice experts on the audio from the 911 call knead the day trayvon martin was killed is not admissible at trial. the all female jury has been selected and will be seated to hear opening statements on monday. zimmerman has pleaded not and says he shot martin in self-defense. joining me with perspective on this case is lisa green. thank you for being here. let's talk about the judge's ruling of the audio saying this tape will be admitted but not expert testimony. >> i don't think it's a particular surprise. the judge issued a thoughtful ruling measuring sci...