With the help of DNA evidence, investigators can easily solve criminal cases. As you know, no two individuals have the same DNA, which means DNA evidence can either prove a person innocent or guilty with good accuracy. This powerful tool has helped acquit wrongly convicted defendants. The main thing is that it can also damage an individual’s case if it is not properly obtained and handled.
The trust in the DNA evidence
It is important to understand that found DNA evidence is the crucial evidence in criminal cases and, if utilized appropriately, it can change a defendant’s life for the better, but also the worse.
There are both benefits and disadvantages of DNA evidence in criminal cases as mentioned below:
- Pros
- The main advantage is that DNA evidence is an advanced technology, probably the greatest forensic advancement since the emergence of fingerprinting
- DNA proof can prove actual innocence even when other trustworthy evidence is totally against it
- Another main thing to know is that DNA evidence can be stored for years which is helpful because criminal court proceedings mostly last a long time
- Police officers can search unidentified things by matching the DNA databases
- Also, DNA evidence can also beat eyewitness evidence when it comes to reliability
- Cons
- In some cases, only the availability of a small fraction of DNA evidence can cause trouble in solving the criminal cases
- Also, evidence such as murder weapons must supplement DNA evidence, as courts will not always show trust in DNA evidence alone
- Human errors can do cross-contamination and also other issues, which can interfere with the reliability of DNA evidence
- The main negative point is that your DNA sample can pose privacy concerns as it identifies your family relationships, ancestry, and diseases
- Criminals can use DNA evidence to frame an innocent person, also known as “crime framing”
You need a qualified expert for forensic DNA interpretation who can understand how to observe, interpret and utilize DNA evidence to strengthen your criminal case as a result.
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