A: You may have a claim for retaliatory discharge or a claim under the whistleblower act. But full details and a consultation with an employment attorney is required. Also, it is hard to tell from your description if you have been fired or fear being fired. The analysis changes with these types of facts.
A: The process can be explained, but an attorney would need more facts about your situation. For instance, what type of job are you doing, and what type of visa is your employer seeking. I would consult with an attorney.