There are the two I'd be worried about her satisfying
http://www.justice.gov/pardon/pardon_instructions.htm

3. Five-year waiting period required

Under the Department's rules governing petitions for executive clemency, 28 C.F.R. §§ 1.1 et seq., an applicant must satisfy a minimum waiting period of five years before he becomes eligible to apply for a presidential pardon of his federal conviction. The waiting period, which is designed to afford the petitioner a reasonable period of time in which to demonstrate an ability to lead a responsible, productive and law-abiding life, begins on the date of the petitioner's release from confinement. Alternatively, if the conviction resulted in a sentence that did not include any form of confinement, including community or home confinement, the waiting period begins on the date of sentencing. In addition, the petitioner should have fully satisfied the penalty imposed, including all probation, parole, or supervised release before applying for clemency. Moreover, the waiting period begins upon release from confinement for your most recent conviction, whether or not this is the offense for which pardon is sought. You may make a written request for a waiver of this requirement. However, waiver of any portion of the waiting period is rarely granted and then only in the most exceptional circumstances. In order to request a waiver, you must complete the pardon application form and submit it with a cover letter explaining why you believe the waiting period should be waived in your case.

4. Reason for seeking pardon

In answering question 20, you should state the specific purpose for which you are seeking pardon and, if applicable, attach any relevant documentary evidence that indicates how a pardon will help you accomplish that purpose (such as citations to applicable provisions of state constitutions, statutes, or regulations, or copies of letters from appropriate officials of administrative agencies, professional associations, licensing authorities, etc.). In addition, you should bear in mind that a presidential pardon is ordinarily a sign of forgiveness and is granted in recognition of the applicant's acceptance of responsibility for the crime and established good conduct for a significant period of time after conviction or release from confinement. A pardon is not a sign of vindication and does not connote or establish innocence. For that reason, when considering the merits of a pardon petition, pardon officials take into account the petitioner's acceptance of responsibility, remorse, and atonement for the offense.
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DJTB YOMM