Sure. Wow, you really don’t know about it. With family down there it is sort of a side interest of mine. :-). It is quite hard to believe actually. Do a google on “burmese pythons florida” you will see a lot of articles. The wiki article is a good summary. They don’t know how many - tens of thousands to over hundred thousand based on what has happened to the wildlife, e.g. 99% decrease in raccoons ans 88% decrease in deer. It is so bad they welcome people coming in and killing them.
C’mon, I used to work with exotics. Have you any idea how big a constrictor would have to be to take down and swallow a Deer?