Weakness of forensic is that it all too often it relies on a...

Weakness of forensic is that it all too often it relies on a scientist’s personal opinion, rather than hard fact. Forensic science can and sometimes is subjective, relying on the judgement and experience of the professional doing the investigation.
A) What is the forensics being exhibited, and where did it originate, by the person using this method?
B) What is your experience to enable you to be a professional in this method of forensic science?
Therefore, as we are unaware of these qualities;
What’s needed are additional safeguards to shield forensic examiners against irrelevant information that might skew their judgement. A first step is to ensure they are not given irrelevant information, such as knowing that witnesses are genuine and reliable, and the relevant information sequentially released, nor should there be any extra information that’s irrelevant to what is being studied.