SEATTLE -- An investigation by state troopers and Seattle police has led to charges against the sales manager and two car salesmen from the Huling Brothers dealership in West Seattle.

Investigators said the men first took advantage of the 60-year-old man by selling him a truck at the $30,000 maximum price even though he appeared to have a diminished mental capacity and was covered in his own urine and feces.

Investigators said when two of the salesmen learned the man had cash in his home, they burglarized it, stealing $70,000 in cash.

And, investigators said, one of the salesmen schemed to have the rights to the truck signed over to him.

In all, police said 11 dealership employees were involved in victimizing the man, who is now being treated at Western State Hospital.

King County prosecutors have filed theft, burglary and money laundering charges against the sales manager and two salesmen. They'll be arraigned Tuesday.

Police said the Huling Brothers dealership cooperated with the investigation and reimbursed the victim the $30,000 he paid for the truck.