"A New Jersey mechanic called in police after finding human teeth in the grill of a car they were servicing.
The grisly discovery at the Goodyear Service Center in Linden is thought to belong to a body found deceased on the New Jersey Turnpike in December."
The woman who owns the car had brought the car in for an inspection after noticing something wrong with how it was running.
Police suspect the motorist may have hit a person whose body was found on the New Jersey Turnpike in December.
Police have opened and investigation, but say they do not believe the woman knew she had hit anything and have not filed charges."

https://www.independent.co.uk/news/world/americas/crime/human-teeth-new-jersey-police-mechanic-b2010684.html?r=26988