Sheriff Chris Nanos doesn't appear on camera for 'Desert Law' but coordinates with the production company behind the series.

Pima County Sheriff Chris Nanos does not appear on 'Desert Law,' which premiered back in January

The request comes amid reports that the sheriff’s office had fielded over tens of thousands of calls in the first half of February.

Pima County Sheriff Chris Nanos has been in the national spotlight during news conferences on the disappearance of Nancy Guthrie. He has been sheriff of Pima County for six of his 50 years in law enforcement. He oversees a 1,500-person department that covers more than 9,000 square miles of unincorporated Pima County.

The Pima County Sheriff's Office, the department leading the Nancy Guthrie investigation, is featured in a new reality TV series titled "Desert Law."

Pima County Sheriff asks volunteer searchers to stand down as FBI analyzes evidence in Nancy Guthrie disappearance.

The Pima County Sheriff’s Department said Tuesday no DNA hits in the Nancy Guthrie investigation as detectives expand the search to gun stores.