'Pinnacle Man' who was found frozen in cave in US identified after 47 years

A man, also known as 'Pinnacle Man', whose body was found frozen inside a cave in US' Pennsylvania, has been identified as 27-year-old Nicholas Paul Grubb after 47 years. Grubb's identity had remained a mystery even after DNA sampling. The matter came to light after a detective found Grubb's fingerprint card which had been missing for decades.