You will not be arrested or prevented from boarding your flight, merely because you overstayed the visa.
But as my colleagues stated, you will now have to apply for a tourist visa if you wish to re-enter the US.
If you are working in the US, it is not authorized, as you are on a B-2, which is a tourist visa. This is can be a problem for you in the future.
You must have a sponsor for employment visa to file an employment visa. Currently, the H-1B quota has been filled although there are other types of work visas, there is no way to know if you qualify.
You can obtain referrals from www.aila.org for an attorney near you.
You should provide as much evidence as possible.
You should try to get your actual school records not just a letter from the school; report cards; your vaccine records; any medical reports/hospital records; etc.
You should hire an attorney to file the case for you, whether myself or one of my colleagues.
Do you mean that your husband did not file taxes 2011? If so, was it due to unemployment or some other reason? If he is required (by the IRS) to file the taxes then he should do so, even if he is filing late.
Your husband still has to file the I-864, even if he did not file tax returns. If your mother-in-law lives with you, (household member) she will file the I-864A. If she is not a household member then she will file the I-864.
Marc Taylor, Esq.
You need to discuss this with your attorney. These are things that you needed to disclose to the attorney and to let him decide how to address them.
It could also ust be that you have a very common name.
I recommend going to speak to your attorney right away.
There's nothing you can do short of convincing him to file his back taxes.
Remember, he will still have to file an I-864, your sister-in-law will only be your CO-SPONSOR. If you file the case without proof that your husband has filed taxes, USCIS will issue an Request for Evidence asking for proof from the IRS that he is NOT required to file taxes. If this request is not answered then your case will be denied.
No matter what, you should consider hiring an immigration attorney to...