On Tuesday, a body was found inside a semi truck at a Kenworth dealership in Ashwaubenon, Wisconsin.
A police investigation listed the identity of the deceased man as 61-year-old Ronald Ambrosius of Green Bay.
According to Fox-11, the truck has been parked at the dealership since last fall. The body was found when an employee looked inside the truck on Tuesday.
Police say the body was highly decomposed, and believe it was in the truck for months. The deceased man was wearing a winter jacket.
The company that owned the truck is no longer in business.
An investigation is underway to determine the cause of death.