I am assuming that the children do not visit you if they did you could have filed a court order when they are with you so you can increase your chances of getting custody. Otherwise, having an out-of-state custody battle will be expensive and time-consuming. You should get in touch with a lawyer and go over all your available options.
Above answer and comments to questions are for general purposes only and does not constitute legal advice or establishes an attorney-client relationship without a signed retainer. Please reach out to an attorney you are comfortable with working and discussing your case in more details.
Answered on Dec 19th, 2017 at 7:50 AM