MSNBC Dateline August 14, 2021 09:49:00
They could test the shoes further. it appeared the bottom shoe, both shoes, were soaked in blood. >> it seemed 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 passed and more dead ends. it had now been two years since annie's murder. >> i was starting to think maybe we're not going to actually solve this case. >> but jaclyn was tenacious. she enlisted the help of a cellphone expert, a former homicide expert named cy ray. >> you see that and think how can you not ge...