Familial DNA in Forensics
This week we examine familial DNA. Many people are putting their DNA into databases such as 23 and Me and others to find out their genetic backgrounds and search for possible relatives they do not know. Answer the following questions for this week:
Should police be allowed to use this database to solve crimes?
If you did not put your DNA in this database but a family member did, do you feel this is an invasion of your privacy?
Find a case where familial DNA was used to catch the suspect in the case and explain how this was one.
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Familial DNA in Forensics
Use of Familial DNA in Crime Solving
Familial DNA has emerged as a significant tool in modern forensic investigations. This method allows law enforcement to identify suspects by matching DNA profiles from crime scenes with those of relatives in genetic databases. Police should be allowed to use these databases if proper consent and legal safeguards are in place. When used responsibly, it can be instrumental in solving cold cases or violent crimes. For example, the Golden State Killer case was solved using a distant relative’s DNA from a public genealogy site. This successful outcome demonstrates the potential of familial DNA in delivering justice………..
Privacy Concerns and Real-Life Case Example
Even if someone has not uploaded their DNA to a database, a relative’s participation could unintentionally expose them. This could feel like an invasion of privacy. People should be informed that sharing their DNA might implicate family members. Privacy policies must clearly explain these implications. Public awareness is essential to ensure informed participation in genetic databases.
One prominent case involving familial DNA is that of the “Grim Sleeper.” Investigators used DNA from the suspect’s son, obtained during a routine arrest. This partial match led police to Lonnie Franklin Jr., who was later convicted of multiple murders. Without familial DNA, the case might have remained unsolved…………
