MSNBC Dateline September 29, 2019 09:33:00
To him he got away. >> does the case like this haunt a police department? >> absolutely because these cases go home with you in your mind. >> but for years he couldn't do anything about it and then just by chance he was sent to a dna training seminar in 2008. a random assignment that would change everything. >> back in the mid 90s, very little at all could be done with the hair except to say the color of the hair. now when there's any tissue from the root on the hair it takes just a minute amount of tissue to come up with a full profile dna. >> it's called nuclear dna testing and he immediatel...
Source: archive.org