Cold case reviews often have to battle misinformation and conspiracy theories, as well as missing pieces. How do investigators see through the chaos to a solution?
Investigators reviewing a cold case often find themselves battling on multiple fronts: evidence can be missing or lacking context; the memories of witnesses have often faded; and frequently misinformation and conspiracy theories arise in the vacuum of a cold case that muddy the water for police and forensics experts.
How do investigators sift through multiple hypotheses to find the truth?
Prof. Jim Fraser is one of the UK's foremost forensic experts - he quite literally wrote the handbook. Through the lens of one specific and highly unusual case, Jim joins us in The Garden to give a fascinating behind-the-scenes peek into how investigators extract information from chaos and distinguish fact from fiction in a complex case review.
Read this talk's transcript50 minutes
30 minute talk
20 minute Member Q&A
Professor Jim Fraser is a research professor of forensic science and a forensic investigator. He has been involved in hundreds of murder investigations.
How do you separate fact from fantasy in a cold case?
Fingerprints are getting rarer - everyone's seen the TV shows. What new tools can we bring in to confirm a criminal's identity, and is it ethical to use them?
It's not always clear what drives a criminal to act the way they do. How does the justice system deal with offenders whose behaviour is rooted in mental illness?
DNA is the go-to forensic evidence in many criminal cases. What other trace evidence can be used to identify the perpetrator when they don't leave DNA behind?
Cold case reviews often have to battle misinformation and conspiracy theories, as well as missing pieces. How do investigators see through the chaos to a solution?