My sister's application for permanent residence was denied because she checked that she was a US citizen on I9 form

She may be eligible for cancellation of removal if she is placed in proceedings. But she is ineligible for adjustment due to a false claim to US...

How much time for ice to go for my boyfriend in prison?

Once he finishes his sentence, ICE will pick him up and deport him.

What if a green card holder threatens me?

If you believe he has committed a crime, call the police.

I-130 Immigration help! What to after filing, is my husband allowed to visit me in the states?

If he can prove he is visiting temporarily, he can be admitted to the U.S. while the application is pending.

Can an employer still file a petition for me eventhough do my permanent resident applicatiion was denied?

Yes.

Immigration

What is your question please.

You will need to prove your employment was authorized or you risk losing eligibitilyt for adjustment.

I'm married to Us Citizen, I got denied for green card and I apply for motion to appeal a year ago.

What did you move to reopen, the I-130 or the I-485?

Hi, My fiancee have H1 visa. Can I apply for a tourist visa and after that during the time when I am in U.S marry to her?

If you tell the truth on your application for a b1/b2, that you are coming to the U.S. to marry an H1b holder and file to change status to H4, you...

A motion to reopen takes about 6 months. You definitely could use the help of a lawyer, you cannot just ask the BIA to cancel the deportation.