Updated

A Michigan woman is still missing after authorities searched her home and rural property this week for a second time, nearly six months after she disappeared.

Dee Ann Warner, 52, vanished earlier this year and was last seen at her home in Tecumseh, 60 miles west of Detroit, between the evening of April 24 and early April 25, according to Crime Stoppers of Lenawee County. She hasn't had contact with her family via her phone or Facebook since.

Her credit cards have also not been used. 

Dee Ann Warner, 52, vanished in April. Authorities conducted another search of her Michigan home and property this week but did not fid her. 

Dee Ann Warner, 52, vanished in April. Authorities conducted another search of her Michigan home and property this week but did not fid her.  (Crime Stoppers of Lenawee County)

Several agencies, including the FBI, Michigan State Police and the state Department of Natural Resources, assisted in the two-day search. The Lenawee County Sheriff's Office said "a vast number of personnel, canines and ground sonar" failed to locate Warner.

Authoritires did not locate Warner during a search of her home and property this week. 

Authoritires did not locate Warner during a search of her home and property this week.  (Crime Stoppers of Lenawee County)

Authorities were digging on the vast property, and police dogs were searching farmland. 

"Investigators will be evaluating information that was obtained during this search, and the investigation is ongoing," the sheriff's department said in a news release.

No specific leads prompted the return to the property, which had been previously searched. 

Warner was last seen at her Michigan home, authorities said. 

Warner was last seen at her Michigan home, authorities said.  (Crime Stoppers of Lenawee County)

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"We thought that this was a very prudent time to do an even more thorough search," Lenawee County Sheriff Troy Bevier told WTOL-TV. "We wanted to make sure that we covered every base and that we got out here and did a thorough search one more time."