Forensics uses this technology to help uncover crimes .
法医物证学通过技术揭开犯罪谜底。
There were no witnesses called to the stand , apart from a forensics expert .
除了一名法医专家外，庭上没有传唤任何证人作证。
The teams had been given several briefings on microbial forensics and the available intelligence , but still found themselves unsure how to untangle the evidence and how to respond .
