Explore the critical issue of DNA evidence contamination in forensic investigations through this 27-minute video lecture. Delve into the challenges of maintaining DNA quality at crime scenes and learn about the measures taken to prevent contamination. Discover the art of working with imperfect specimens as the speaker, Aby Joseph, emphasizes the importance of vigilance in handling forensic DNA. Gain insights into the techniques and protocols employed by forensic experts to preserve the integrity of DNA evidence, even in less-than-ideal circumstances. Understand why complete elimination of crime scene contamination may be impossible and how forensic scientists adapt their methods accordingly.