MANCHESTER, N.H. (AP) — Authorities on Tuesday searched a home in the case of a woman who once lived there and disappeared more than 35 years ago.

The search in Manchester is related to the missing-person’s case of Denise Beaudin. The 23-year-old was last seen on Thanksgiving 1981 with her boyfriend, Robert “Bob” Evans, and infant daughter.

When relatives went to visit them a few days later, the couple and baby were gone, and the family didn’t contact police at the time, the attorney general’s office said. Beaudin and Evans were having financial difficulties, and the family assumed the couple left to avoid those issues, the office said.

The attorney general’s office has been in touch with Beaudin’s daughter and knows where Evans is.

Authorities have begun a criminal investigation based on new information.

“We are looking for any evidence or anything that will help us determine what happened to Denise Beaudin,” said Jeffery Strelzin, senior assistant attorney general. “The house has never been searched because she was never listed as a missing person formally until recently.”

Strelzin said people live at the house, and authorities made arrangements with them to conduct the search. He said he expected the search, aided by the FBI, to take several days.

A section of the street was closed off, and a big, green tent was next to the house.

Manchester property records show the 2,340 square-foot house was built in 1910 and has had several owners since the 1990s. The current owner bought the house in 2005.

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