did not test every spot to see if it belong to any. they also had not tested the bottom of his shoes. so what do you do? at that point, i met with a private lab to test the shoes for their. it appeared the bottom of both shoes were stoking wet. it seem like damning evidence. but after testing that blood further. it came back with two males and two females. again, nothing you can take to the jury. right. six months past and more dead ends. it had now been two years since andy s murder. i was starting to think that maybe we were not going to actually solve this case. but jacqueline was tenacious. she enlisted the help of a cell phone expert, former homicide detective nate. with cases like this case, when you hear the details and understand what s going on. and see that the agency is having challenges. how do you not get involved? he reviewed 35,000 of chris s calls and texts. one call stood out.