I am insure if the pension is unattachable.  You may need to seek the advice of an attorney in your niece's state of residence and in the state wherein the pension was contracted/paid.  The reason I say this is because if your niece can attach the pension, her attorney may need to review conflicts of law laws in order to determine which set of laws would govern her situation.  Further, if any monies attach to the person's bank account and/or if he owns any real estate, she may be able to get a lien on the property.  Now that she is no longer a minor, she should consult an attorney in her state to determine how long she has after reaching the age of majority (18) to collect on her judgment.  Many states offer from 5 to 20 years to collect but she should act quickly if she wants to collect anything.  Try attorneypages.com to find a lawyer in your state who handles such matters.