Nightly News | May 18, 2012
>>> now to florida and the newly released documents, audio recordings , and photos in the trayvon martin case . new images showing us what trayvon martin looked like just before the fatal shooting and what george zimmerman looked like afterwards. plus, we're hearing what some of the witnesses saw that night. kerry sanders reports now from sanford, florida.
>> these are the last known images of trayvon martin , moments before his death. the 17-year-old captured on surveillance tape at a nearby 7-eleven, picking up skittles and an iced tea . until now, many pictures of the victim have shown him as a young youngster, but the day he died, he was 5'11", 158 pounds. the case now centers on what happened next. was neighborhood watch captain george zimmerman , pictured here after the shooting, aggressive or defensive? was the shooting with his cal tech 9 millimeter justifiedr second degree murder? at 5'7", zimmerman was four inches shotter than martin but 42 pounds heavier. in the police photos, zimmerman is clearly bloied and according to his doctor, likely suffered a broken nose.
>> tell we what you heard or winlzed.
>> we heard someone yelling outside.
>> there are 22 witnesses, moist of their police interviews recorded.
>> i looked and didn't see anything.
>> not one actually saw what or who initiated the fight. wince number six saw martin on top of zimmerman .
>> the guy on top in the black hoodie was pretty much throwing down blees on the guy kind of mma style.
>> one caller picked up this cry for help.
>> so you think he's yelling help?
>> it's bn unclear whose voice that was. martin 's mother said it was her son, but when his father listened to the tape, an investigator writes, mr. martin clearly emotionally impacted by the recording, quietly responded, no.
>> in a recorded interview, zimmerman 's father told blees the cry for help was from his son.
>> that is absolutely positively george zimmerman . myself, my wife, family members, and friends, know that that is george zimmerman . there is no doubt who is yelling for help.
>> in the 183 pages of documents, one lead detective writes the encounter between george zimmerman and trayvon martin was ultimately avoidable by zimmerma if zimmerman had remained in his vehicle and awaited the arrival of law enforcement . the mountain of evidence released so far does not include the textessas fmrayvon rtin's pneor does it include the police interrogation of accused murderer, george zimmerman . sdwr thanks