updated 12/7/2009 5:23:14 PM ET 2009-12-07T22:23:14

Authorities say a man found dead in a sport utility vehicle is a fugitive wanted in four slayings in the Madison, Wis., area.

Dane County Coroner Raymond Wosepka says the body was that of Tyrone Adair, whom authorities had been searching for since Thursday night.

That's when they found the bodies of Adair's ex-girlfriend and the couple's young daughter in Madison and the bodies of his current girlfriend and their young daughter in suburban Middleton.

Adair was last seen driving a silver GMC Acadia.

A property owner in Cottage Grove, a village about 15 miles east of Madison, called police Monday morning and said an Acadia was parked off a county road. Police say they found Adair's body inside.

Wosepka says it appeared Adair died of a gunshot wound.

DeSpain said he did not know when the property owner first noticed the SUV, but it appeared the vehicle had been parked there for several days. He said he didn't know the name of the property owner.

The snow-covered vehicle was surrounded by crime scene tape as police officers milled around the scene Monday afternoon. Authorities planned to tow the vehicle to the state crime lab, DeSpain said.

Adair was charged Friday with two counts of first-degree intentional homicide in Judd and Deja Adair's deaths. Police have called him a "person of interest" in Weigel and Weigel-Adair's deaths, but prosecutors have not charged him in that case.

Police alerted law enforcement agencies nationwide to be on the lookout for him. Adair's family issued a statement to the media Saturday night urging him to turn himself in.

Copyright 2009 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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