It is possible. The person may be released under an order of supervision. A stay of removal may also be filed. That person or his/her family need to consult with an Immigration attorney ASAP, before ICE executed the deportation order and sends him/her to the country of origin.
Probably not ... usually immigration just 'reactivates' the old order.
If they get bail ... it will be very high ... they are an obvious flight risk.
PROFESSOR OF IMMIGRATION LAW for over 10 years -- This blog posting is offered for informational purposes only. It does not constitute an attorney-client relationship. Also, keep in mind that this is an INTERNET BLOG. You should not rely on anything you read here to make decisions which impact on your life. Meet with an attorney, via Skype, or in person, to obtain competent personal and professional guidance.
Generally the person will be subject to 'reinstatement of removal' and will be removed rather quickly. There are a few avenues of relief but it is very fact sensitive and an experienced immigration attorney should be consulted.
It is certainly possible, but is very fact sensitive. You absolutely need an expert immigration lawyers asap who is experienced in deportation matters and who is respected by immigration officials locally. Please provide more facts. There are certain cases where detention is mandatory. There are usually humanitarian exceptions. So, if you tell us what city the person is jailed in, his age, length of time in U.S., relatives in U.S. and what he has been doing all these years to contribute to America.