From Inside Edition.

The development in the Nancy Guthrie investigation within 24 hours came at rapid speed. Reporters delivered the news as it broke. Law enforcement released a surveillance photo and video of a "potential subject" in the Nancy Guthrie kidnapping. Police searched a home in the small town of Rio Rico, Arizona, and the homeowner revealed her son-in-law Carlos Palazuelos was being questioned by investigators. The man says he is innocent and was released by authorities.