After a fight with her husband, Caren Campano walked out of her home in Oklahoma City in the middle of the night and never returned...or at least that’s what her husband Chris claims. The house appeared normal to investigators at first - with the exception of a stain on the bedroom carpet - but a chemical test would reveal shocking evidence that was invisible to the naked eye.

Hosts: Colleen O’Brien, Erica White. Audio Supervisor: Tommy O’Brien. Theme Music: 'The Drama' by Rafael Krux (orchestralis.net). National Domestic Violence Hotline (US): 1-800-799-7233 / https://www.thehotline.org/