Answer:
if I were juror in murder case, the I would conduct all the scientific evidence, and if it still conflicts with ALL the witnesses I would not believe the witnesses. but I still would not announce my decision. I would want more evidences and proofs to announce my decision because I just can't rely only on scientific evidence, (what if the person who murdered changed the fingerprints and other scientific evidence, you never know)
The answer is time, only time time can reduce the effect of alcohol.
