Without this becoming too much like an examination of the Kennedy assassination…
That’s not Lee.Face tat doesn’t match.
The contours are wrong, and it extends too far past the jaw line.
Compare:


Also, I believe that the muscles in most people’s faces relax after they die.
Dude in pic. looks like he’s smiling, in pain, holding one in, letting one go, or a unique and happy amalgam of all four.
And even at that obscure angle I don't believe that top pic. looks like Lee.