Can I get an injunction to continue receiving unallocated family support of the same amount even if that support has terminated?

No you can't do that. You need to file a motion to establish child support. Likely you will have to ask for other relief. Discuss with an...

U.S. Department of State website gives you the guideline for travelling out if the country with the children. You don't say whether or not this...

Wanting to remove ex boyfriend from the house

He is correct and you can only get him out through an eviction or an order of protection if warrantef.

Zero child support because of getting paid cash under the table?

If he's behind, you must already have a support order. Now you have to figure out how to collect the money. You may also ask that his driver's...

Can a mother limit visitation pre-divorce in an otherwise reasonably amicable split? My wife wants all the kids' time.

Your agreement means nothing other than it shows that she doesn't claim that you represent a danger to the children and she seems to acknowledge...

Can my boyfriend's rights of his child be taken away?

He should be taking her to court to establish what his parenting time will be. Mother will also ask for a child support order to be entered.

Can someone sue for back due child support?

Yes she could, but would probably never get it.

I got married to a us citizen and she want to file for me to become a green card holder but she has not filed taxes for 3 years

I do not handle immigration cases.

Can I get a divorce without losing my house and paying alimony ?

No one can give proper answer to youir questions until relevant documents are reviewed and until more information is known. So contact an attorney...

Is this divorce blackmailing and fraud?

Suggest that you contact an attorney immediately. You never should have handled this the way you did, and the longer you wait, the worse it will be.