Answer:
DNA
Step-by-step explanation:
The accuracy of forensic tests increases the reliability of evidence i.e. it is a step towards solving a crime scene.
Years of rigorous scientific study and analysis establishes that DNA testing is the golden strand of reliability of a forensic test because DNA testing is based on the idea that each person's DNA is unique. The analysis over genetic material like sample of semen, blood, hair or even a tissue, if properly perform will help in increasing the accuracy and reliability of evidence.