CNN Forensic Files March 8, 2015 05:48:00
The 70-year-old retired plastics executive left no final note of explanation. after his suicide, investigators took a sample of howard elkins blood and sent it to lab corp, a north carolina dna testing facility. >> when we're testing for paternity, we look for shared dna bands between the child, or the fetus, and the alleged father. >> in the case of the fetus found in the drum, there were obstacles to overcome. the tissue samples from the fetus were very badly degraded after 30 years. a technique called polymerase chain reaction, or pcr, allowed scientists to amplify the existing dna, making ...