(NewsNation) — The search for Emmanuel Haro has reached 11 days, and the mission to find the missing baby now has police trying an old-school method.

Detectives were seen taking Haro's father, Jake, out with them on the victim-recovery mission. Haro, who was arrested with Rebecca Haro, Emmanuel's mother, was filmed wearing an orange prison jumpsuit Sunday, assisting crews search for Emmanuel's body in Moreno Valley, California.

Chris McDonough, a retired homicide detective and executive board member of the "Cold Case Foundation," tells "Banfield" that Haro's help in the search could wind up being what proves him guilty.

"I would suspect they probably have some type of digital footprint and or forensic evidence from some of the search warrants they did," he said.

"And of course, they're

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