After clerking for Magistrate Judge
M. Hannah Lauck in the EDVA (2006–2007), Aber worked as an associate at
McGuireWoods before joining the EDVA U.S. Attorney's Office in 2009 as an
Assistant United States Attorney. She later served as Counsel to the Assistant Attorney General for the DOJ's Criminal Division (2015–2016) and Deputy Chief of the EDVA Criminal Division (2016–2021). Her tenure included several notable cases, including the prosecution of an
MS-13 leader for multiple murders, indictments against Russian nationals for operating illicit
cryptocurrency exchanges, historic
war crimes charges against Russian soldiers for
actions in Ukraine, the conviction of an Israeli national for the smuggling of non-citizens into the United States, and the conviction of a former
CIA analyst for
leaking classified information. Aber resigned on January 20, 2025, following the
presidential transition. ==Illness and death==