That depends; it can be, if the owners of the LLC act in sufficiently bad faith. That's what "piercing the corporate veil" is about: when the owners of a company abuse the liability shield badly enough that they should be personally liable. Pulling money out in anticipation of a bankruptcy (as opposed to spending it in good faith as part of doing business) could potentially qualify for that.
That only applies if they still do something illegal. This generally applies to cases of money-laundering, drugs, criminal intentions. There would have to be a separate case initiated by the legal system.
That depends; it can be, if the owners of the LLC act in sufficiently bad faith. That's what "piercing the corporate veil" is about: when the owners of a company abuse the liability shield badly enough that they should be personally liable. Pulling money out in anticipation of a bankruptcy (as opposed to spending it in good faith as part of doing business) could potentially qualify for that.