However, for the past decade, forensic science has been predominated by DNA evidence, the discrepancy are the reliability of the laboratory test and interpretation test result. In examining STR technique, underlying laboratory data often reveals limitations which cannot be shown in laboratory reports. Such as, discrepancies between supposedly matching profiles or an error in the statistical computations which are unreported problems with raised doubts about the validity of the results. Report illustrated how the involvement of laboratory can found substantial amounts in the determination of DNA profile. For example, if blood tissue is found on individual or can limited amounts for example, sample from crime scenes. Even with the best laboratories
