obviously, we re going to check it out and find out who it belongs to. this is an athletic gym, where they conduct various athletic classes and instructions at. a kid couldn t have scraped a knee or arm and gotten that much blood on a wall. there s one, two, three, four, five, six. six impacts. the opinion of our crime scene personnel, after looking at it closely, the blood appeared as it had been there for an extended period of time. it didn t appear to be very fresh. school gym. there is no way that they would allow whoever was supposed to clean this gym to leave that blood on that wall. and there s the question, why was there no blood when they expected to see lots of blood? remember the photo of that shoe investigators say was inches below kendrick s head? look at it again. if he was inside the mats, reaching for that shoe, inside this tube.
blood. we did dna testing and it was not the blood of kendrick johnson. if it wasn t kendrick s blood, whose was it. reporter: have you found it doesn t appear to be related to our crime in any way. reporter: what do you think about the decision not to test it further? you can t explain it. if you re running the crime scene, then you re going to say that s potential evidence, obviously, we are going to check this out and find out who does it belong to. this is an athletic gym. obviously, this is where they conduct various athletic classes and instructions at. a kid couldn t scrape their knee or arm or something and got that much blood on the wall. there is one, two, three, four, five, six impacts. reporter: the opinion of the crime scene personnel, the blood appeared to be there for an extended period of time. it didn t appear to be fresh. school gym, there is no way