What is forensic evidence and how is it used in criminal investigations?

What is forensic evidence and how is it used in criminal investigations?

Forensic evidence refers to any material that can be used to help solve a crime. This includes physical evidence like fingerprints, DNA, and ballistics, as well as digital evidence from devices.

Can you give me some examples of forensic evidence?

Sure! Examples include blood samples, hair strands, shoe prints, and digital records from smartphones or computers.

How is DNA evidence collected and analyzed?

DNA evidence is collected using swabs from surfaces or biological samples. It is then analyzed in a lab using techniques like PCR and sequencing.

What role does forensic evidence play in court?

Forensic evidence can be crucial in court as it helps establish facts, link suspects to crimes, and can corroborate witness testimonies.

Are there any limitations to forensic evidence?

Yes, limitations include contamination risks, the possibility of false positives, and the need for proper handling and analysis.