The video shows it all HAHA!
https://www.youtube.com/watch?v=44yoptuWx6c&feature=youtu.be
Also at the end of blast pit, when you first get on the railcart if you go forward and kill the aliens and then go all the way back to the start (like I did to retrieve more ammo) the alien portal animations sans aliens show up when you go forwards again.
That’s just muscular spasms… Pretty common in recently dead beings.
Until he starts talking.
Is gibbing still awesome?