DNA is the often the best way to know if someone was at a crime scene.

In Mansfield, Dawn Fryback is the know-all for DNA-based evidence.

In this months episode of Chalk Murder to Me, an Ohio true crime podcast, she sat down with hosts Adam Fox and Noah Jones to give an insiders idea of what exactly happens in the crime lab. From rape kits to bone grinding, Fryback answers questions about her experiences on the job with real life killers, rapists and criminals in between.