Police throughout the West are looking for the car of a murdered woman whose body was found in a Wyoming river.

The car is a black 1988 Honda CRX with a sunroof. It has personalized Montana license plates with the letters "LILMISS."Lisa Marie Kimmell, 18, a student attending a Denver, Colo., college, was on her way home to Billings, Mont., and was last seen March 25 in Douglas, Wyo., then Caspar, Wyo., said Natrona County Sheriff Ron Ketchum.

Two fishermen found her body about 2:30 p.m. Saturday in the North Platte River about 21 miles south of Caspar, said Ketchum, who refused to release the cause of the woman's death.

No suspects have been identified, but Ketchum said the victim's car could be anywhere in the Western mountain states. The car may have been seen last Friday in the Salt Lake area, according to bulletins broadcast over several local police radio frequencies.