CNN Forensic Files June 29, 2014 08:49:00
Semiautomatic pistol to pay off a drug debt, but by this time, a year later, he no longer had the gun. investigators then located a second man rich visited on that trip who still had in his possession a box of ammunition rich had sold to him. inside the box, investigators found several short black and white hairs. microscopic analysis confirmed that the hairs were from an animal, but there were no roots attached, so nuclear dna testing was impossible. but they were able to extract mitochondrial dna from the hair. mitochondrial dna is passed to animals and humans only from the mother. joy halve...
Source: archive.org