Several witnesses thought LHO's trait of pursing his lips with upturned ends was a smile, grin, or smirk:
His mother also had this trait:
It is a trait that apparently is in response to stress. There are a few witnesses that remarked about this in their statements. Here are a couple of them that I have recently take note of:
Cecil McWatters in his 11/22/63 affidavit (edit - this has been shown to be inaccurate, see later in this thread):
Barbara Davis in her WC testimony:
I was wondering how many other witnesses noticed this trait and remarked about it. If you know of or come across any, please add them to this post. Thanks!