Wasn't there an eyewitness that said it was Zimmerman? Seems silly that two expert audio technicians would try to go against that if true.
Because there are conflicting witness reports:
Recordings of eight calls to the police made on the night of the shooting were released by the Sanford police on March 17, 2012. A witness to the confrontation just prior to the shooting stated that Martin was on top of Zimmerman and punching him, while Zimmerman was yelling for help. This witness, who identified himself as "John", stated that "the guy on the bottom, who had a red sweater on, was yelling to me, 'Help! Help!' and I told him to stop, and I was calling 911". He went on to say that when he got upstairs and looked down, "the guy who was on the top beating up the other guy, was the one laying in the grass, and I believe he was dead at that point."
A 13-year-old boy walking his dog saw a man on the ground shortly before the shooting and identified him as wearing red.*His mother later disputed the testimony and claimed that the police pressured him into choosing the color that the man was wearing and that her son could not see any details in the dark. She also stated that the police waited five days before requesting to even question her son and said that the lead homicide investigator told her that he did not believe the shooting was self defense.
Mary Cutcher and her roommate, Selma Mora Lamilla, appeared on*AC 360, and Cutcher stated that she believes that "there was no punching, no hitting going on at the time, no wrestling" just prior to the shooting but admitted that she neither saw the shooting nor the precedingaltercation. Cutcher and her roommate heard the pair in their backyard and a "very young voice" whining, with no sounds of a fight. They heard a gunshot; the crying stopped immediately, and they saw Zimmerman on his knees straddling Martin on the ground. Mary Cutcher phoned police after the fatal shooting and said the black man was standing over another man, although Trayvon Martin was already dead. According to the*Orlando Sentinel*article, "Police spokesman Sgt. Dave Morgenstern [on March 15] issued a statement disputing Cutcher's version of events, calling her statements to WFTV "inconsistent with her sworn testimony to police."*However, Cutcher and her roommate maintain that their account of the incident to the police did not agree with Zimmerman's, and they demanded the police issue a retraction.
On March 29, 2012, an eyewitness referred to as a male said that he saw two men on the ground scuffling, then heard the shooting, and saw Zimmerman walk away with no blood on him. The witness later appeared on CNN AC360 referred to as a female, giving more details on her account. She pointed out that she heard an argument between a younger and an older voice. During the time that she witnessed the incident, the scuffling happened on the grass. She said that the larger man, who walked away after the gunshot, was on top and that it was too dark to see blood on his face. A witness who arrived shortly after the shooting revealed photos that he took that night that showed "blood trickling down the back of Zimmerman's head from two cuts. It also shows a possible contusion forming on the crown of his head". In revealing the photo to*ABC News*in mid-April, he noted that he had heard but had not seen the scuffle, had been the first to arrive, and had been the first to talk to Zimmerman after the shooting.
One eye-witness statement given the night of the shooting describes "a black male, wearing a dark colored 'hoodie' on top of a white or Hispanic male who was yelling for help." The witness said that the black male was throwing punches "MMA [mixed martial arts] style." After hearing a "pop," he saw the black male "laid out on the grass." When the witness was subsequently interviewed weeks later by a different agency, the witness said he thought that the black male was either punching or pinning the lighter skinned male underneath him. He was no longer certain who was calling for help, having not seen their mouths in the dark. He was still certain that the black male had been on top of the lighter-skinned male.