Source: Russell Goldman / ABC News
An FBI speech scientist testified in court today that current technology cannot categorically determine whether a voice heard on a 911 tape screaming for help moments before Trayvon Martin was killed was that of Martin or George Zimmerman, the man accused of murdering him.
“The voice was outside the normal range. We know the [computer] system cannot distinguish normal speech from abnormal speech,” testified Dr. Hirotake Nakasone, a senior audio engineer at the FBI.
Nakasone was called to testify today by Zimmerman’s lawyers at a pre-trial hearing to determine whether the recording should be admissible.
Zimmerman, 29, is charged with shooting Martin, an unarmed black teenager inside a gated community in Sanford, Fla., in February 2012.
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