Police are still unable to identify two bodies found in cam county, including one more than 40 years ago.
Unidentified bodies dating back to 1974 include a 65-year-
An old man was found in a small group of trees nearby, and a European who fell off the wheel of the truck.
Despite DNA testing and public calls, the investigation of family or friends who followed the two dead proved futile.
Their details are recorded and there is little chance of resolution.
The two bodies are part of 552 people who have never been identified after the body or remains have been found in the UK, hoping that new clues will allow the police to finally resolve these confusing cases.
They released details of the two cases: a dark European man, aged 18 to 30, climbed out of the truck while driving, and fell under the wheel.
It is believed that he may be hiding in the truck from Calais on the afternoon of April 23, 2006.
His hair is black, his eyes are brown, and his beard is a goat's beard.
He was thin and 182 cm tall.
When his body was found, he had 35 bills and $71. 85 in Euros.
His clothes included blue jeans from the brand "fns jeansw", a white "B. c. " shirt, a middle piece
Brown fleece jersey, white sneakers, black XXL Blouson jacket and a beige, red and green fleece "le Lawrence" jumper.
In 1974, a white male was found on a popular science vehicle near A10.
Police say he is believed to be a local tramp or beggar who often goes to Cambridge and Leicester.
In April 9, 1974, the thin man with blue eyes, gray thin hair and thick beard was found.
Features that help identify the man include his lack of upper and lower teeth.
When his body was found, the man, 165 cm tall, was wearing a black three-
Suits, brown boots, cloth hats and wool scarves.
As part of the National Criminal Agency, the Bureau of Missing Persons launched its website in 2015, which for the first time contains images and features of about 450 unidentified bodies found across the country.
The bodies of various missing persons were found.
After a match, a man called and thought the image on the site was the image of his brother, his last appearance was in 1994.
The fingerprint is matched.
A spokesman for Cam County police said: "All suspicious or unexplained deaths are investigated by the police and handed over to the coroner if necessary.
"We have been trying to find out who has died.
"Can you help identify these people? Anyone with information about this article should contact the police
Call 101 for emergency calls
On 0800 555 111, the information can also be passed anonymously through crimestop.
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