I can't really describe it properly. The Ranger was grinning and looking away at inappropriate times, is the best way I can put it. It was as tho he was holding back a joke or something. (I'm having trouble explaining this :(
AND, get this...he didn't recall seeing any HAIR on the duct tape!
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Wait a minute: do you mean the ranger who turned in the duct tape now says he didn't see any hairs??
That's odd. But it may have just been nervousness at being on camera. Some people grin when they are nervous and have trouble holding a gaze.
I hope that's all it was.
And about him not knowing there was hair on the tape...as said previously, that tape is most likely going to be loaded with microscopic evidence.
I just rewatch his interview on Greta from off my Tivo and he never said he did not see any hair. He even described the hair as being 2 toned. He was acting odd because he did not understand some of Greta's questions and had her repeat at least one of them.