the technique led to the arrest of joseph james deangelo. the man believed to be the golden state killer responsible for possibly 13 murders in more than 50 rapes in the 70s and 80s. as you might imagine, it s raised some serious privacy concerns. that s why the department of justice is announcing this new policy. the department put out a statement that reads forensic, genetic genealogy gets us that much closer to solving the formerly unsolvable. now, the new policy includes guidelines for law enforcement on the criteria that a case must meet in order to use this type of technique and how it can be used to generate leads for unsolved crime. an interesting point, shep. a similar technique is also being used to crack down on medicare fraud and even illegal immigration. ice have used it to find people that are related but the dna