We further reviewed pertinent Laboratory reports, dictation, work papers, and charts in the case, along with various correspondence and memoranda. We also obtained and reviewed a videotape of part of Martz ' s testimony. In connection with these allegations, we obtained and reviewed transcripts of Martz ' s trial testimony and Whitehurst ' s testimony during a hearing in the Simpson case. These scientists reportedly claimed that Martz committed perjury by testifying that he had developed the method used to examine the evidence, misled the jury concerning the FSRU ' s validation studies and events surrounding the development of the protocol, misled the defense by stating that all digital data from the analysis of the evidence had been erased, and generally testified in an arrogant manner. Whitehurst stated that after Martz testified, scientists at the FSRU were highly critical of several aspects of Martz ' s testimony. The defense subsequently called Martz to testify about this work. Martz later examined the bloodstain evidence from the rear gate and socks and concluded that they did not contain EDTA-preserved blood. Accordingly, to disprove the defense ' s assertion, the prosecution asked the FBI to determine whether the blood evidence from the rear gate and socks contained levels of EDTA consistent with preserved blood from these test tubes.ĬTU Chief Roger Martz and several research chemists at the FBI Forensic Science Research Unit (FSRU) in Quantico, Virginia, worked to develop a method for identifying EDTA in blood. Authorities collected those blood samples in test tubes that contained a blood preservative, ethylenediamine tetraacetic acid (EDTA). Simpson and the body of Nicole Brown Simpson after the murders. To counter this evidence, the defense maintained that the police had planted this blood, using blood samples taken from O.J. Simpson and that blood found on socks at Simpson ' s residence belonged to murder victim Nicole Brown Simpson. Simpson, DNA results indicated that blood found on a rear gate at the crime scene belonged to O.J. SIMPSON CASEĭuring the California murder case of People v. ![]() SECTION F: ROGER MARTZ ' S TESTIMONY IN O.J.
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