It includes a discussion of three aspects of scientific technology: the relative significance of testimony based on examination of the physical evidence and the eyewitness, the expert witness' qualifications, and provision of forensic science resources to the defendant. It is suggested that for qualifying a scientist as an expert witness, standards concerning the qualifications established for membership in professional societies should be used as a criteria and legislation requiring minimum qualifications should be considered. It is also proposed that the criminal justice system provide defendants with equal forensic science services. Sixteen references are included. (Author abstract modified)