Peter Parker was a dork.
Not all Thai girls are ML / WL... One of my previous managers was a Thai lady and definitely "doable"...but seriously intelligent lady.
If this girl was an ML.. she is clearly trying to move into a normal job why not let her do it?
As a Punter you know that if she was an ML she won't want to get involved with a Punter.
Why not buy her a drink, and do things normally and get to know this "gorgeous Thai girl"
Knowing if she was an ML or not does not do you any good and for her if u ask enough questions A few things happen:
1) she will know you are a Punter
2) She will get upset someone dug up her past
3) if you mention to anyone at work and this gets out.. You will have a HR situation on your hands.
On the other hand play it cool and see if she is interested and go from there and both of you have a good time..?