Ritter started the Seattle Metropolitan Police Museum 15 years ago, and there are 14 cars in its collection of automobiles. This one was offered by a retired Seattle city worker living in Nebraska, and after it was determined that it was indeed part of the King County Police Department in 1970, the museum restored it with the help of local businesses. It hasn't been made modern, though – it's got no air conditioning, no computer, and 43-year-old ride quality.
Nonetheless, as a woman remarks in the video below, it's "filthy," which means "awesome." You can read even more about it over on KOMO News.