BIA precedent in the Matter of Abdoulin, 17 I&N Dec. 458 (BIA 1980) allows immigration adjudicators to consider evidence that an LPR who is petitioning for a relative had abandoned his or her LPR status. A petition can be denied on this basis even if there is no formal finding of abandonment against the LPR petitioner.

Inadmissibility and Deportability By Secretary of State Determination
A determination by the Secretary of State that the admission or continued presence of an alien in the United States would or will have adverse foreign policy consequences may render the alien inadmissible or deportable.