Can DNA Analysis Solve The Murder Of A Mother And Child? (Joann Katrinak Documentary) | Real Stories

Summary by Krater

An investigation into the 1994 disappearance and murder of a mother and her infant son in Catasauqua, Pennsylvania, which was ultimately solved using mitochondrial DNA analysis on hair evidence.

From the video

Answers: How were forensic investigators able to solve the 1994 murder of Joann and Alex Katrinak using hair evidence?

• cold case investigation
• mitochondrial DNA analysis
• forensic science
• homicide investigation
• Pennsylvania State Police

What it concludes

• Mitochondrial DNA analysis of hair recovered from the crime scene matched Pat Rorrer.
• Physical evidence such as hair and car alignments placed Pat Rorrer at the crime scene and linked him to the murders.
• Pat Rorrer was convicted of two counts of kidnapping and two counts of first-degree murder, and sentenced to life in prison without parole.