What impact did Dr. Gil's actions have on criminal investigations?

Dr. Gil's actions had a detrimental impact on criminal investigations, leading to the ruining of many investigations. This suggests that his methods or findings compromised the integrity of the evidence or the investigative process. In scenarios where the legitimacy or reliability of forensic evidence is brought into question, it can lead to undermining cases, resulting in wrongful convictions or the inability to prosecute a case successfully.

The negative implications of such actions can ripple through the justice system, affecting not only the specific cases involved but also public trust in forensic science as a whole. Consequently, the credibility of investigations could be called into question, impacting future cases as well. It underscores the importance of rigorous standards and ethical practices in forensic science to maintain the integrity of criminal investigations.