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MASON CITY — CBS news documentary "48 Hours" will focus on Jodi Huisentruit’s disappearance in an upcoming episode, tentatively scheduled to air Saturday evening, and it includes efforts to interview a man law enforcement has labeled a person of interest in the case.

A promotional clip for the episode mentions John Vansice. Toward the end of the promo, a reporter is seen knocking on a door.

Vansice, who now lives in Arizona, was an acquaintance of Huisentruit and is believed to be one of the last people to see the then 27-year-old KIMT anchor alive.

He videotaped a birthday party he threw for Huisentruit just days before her disappearance. Vansice said Huisentruit was at his house the night before her disappearance, watching that tape.

Vansice said he passed a polygraph test shortly after Huisentruit’s disappearance on June 27, 1995.

In March 2017, the Mason City Police Department executed a search warrant against John Vansice, whose legal name is Arthur John Vansice.

Vansice is named on the search warrant for GPS data from a 1999 Honda Civic and 2013 GMC 1500.