tony gredockus made scientistic history. it was the first time in bio geographic testing was ever used in a criminal case. the technology now has a 99% accuracy rest. new tests can predict i color with 92% accuracy. >> if it tells you the name and address and phone number, it's time for me to leave this place. dna is too good then. >> this new test also shows the limitations of behavioral pro e profiles and the falability so so called eyewitnesss. >> i don't think it's too far out there to say that in the future there probably will be much less crime than there is today because people will realize when they commit that rape or murder, they mine as well take their drivers license out of their wallet and toss it right there on the ground because they will get that information anyway. >> if people are going to commit violent crimes and we need to take whatever means is necessary to hold them accountable. i think it makes the job of the police officer so easy. a brilliant young arc atekt mist yeariously died from >>> a brilliant