Still looking for a link regarding CB hearing the voices and his assumption that it was a young voice. But in the meantime, here is where he says he sees them squatting and talking.
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C. BOBO: I was asleep in my bedroom and I was awoken by the sounds of our house dog barking.
VELEZ-MITCHELL: And what did you see?
C. BOBO: I saw the silhouette of two people in our garage. At the time I had no idea who either one of the people were. And then come to realize later that that was my sister and her abductor.
VELEZ-MITCHELL: Wait, in the garage?
You were -- how do you -- when you`re asleep -- I`m just trying to get a picture. You`re asleep and then how do you see what`s going on in the garage? Ok, the dog barks, you wake up. Are you on the same level -- it`s all one floor.
C. BOBO: Right. Yes, we have a one story house?
VELEZ-MITCHELL: And you walk into the garage?
C. BOBO: No, I saw them from inside the house and they were outside the house in the garage.
VELEZ-MITCHELL: They were in the garage or outside the garage?
C. BOBO: They were inside the garage.
VELEZ-MITCHELL: Ok so as you watched, it was a man inside the garage with your sister and then what happens?
C. BOBO: And then I got in touch with my mom and found out that Holly was supposed to be in school that morning and realized that that must have been her at the house and then I looked back out and saw Holly and a male walking towards the woods and that`s the last time I saw her.
VELEZ-MITCHELL: Ok, now, ok, is the garage attached to the house or is it a separate, detached garage?
C. BOBO: It`s attached to the house.
VELEZ-MITCHELL: It is attached to the house.
C. BOBO: Right.
VELEZ-MITCHELL: So you`re saying you were able to call your mom before they left the garage and after you called your mom you see them walking towards the woods?
C. BOBO: Right. And I told my mom that once I realized it was Holly, I said well, Holly and Drew which is her boyfriend were out in the garage talking.
VELEZ-MITCHELL: So where did you find the blood?
C. BOBO: It was in the garage, under where I saw the silhouette of them kneeled down in the garage.
VELEZ-MITCHELL: When you saw them kneeling down did you think to ask them or approach them? How far away were you?
C. BOBO: No, I assumed -- I was inside the house and I assumed that that was Holly and her boyfriend Drew and he was dressed in full camouflage so I thought that Drew had been to the woods and killed a turkey and brought it back to the house and the two were sitting there over the turkey talking. After I saw the blood, I thought that was blood of a turkey that Drew had killed.
VELEZ-MITCHELL: Did you see the turkey? Or there was no turkey.
C. BOBO: No, it was gone.
http://transcripts.cnn.com/TRANSCRIPTS/1108/04/ijvm.01.html