Longtime Hillary Clinton aide Huma Abedin has told colleagues she was taken aback when she learned that the FBI found her emails on a laptop belonging to her estranged husband Anthony Weiner and doesn’t know how the messages got there, a source familiar with Abedin’s account told POLITICO Sunday.

Word that Abedin claims to be unaware of the cache of messages came as a U.S. official revealed that the FBI obtained a warrant to examine the emails in greater detail…

The newly found emails number in the tens of thousands or more, with at least some pertaining to the period when Abedin worked for the State Department from 2009 to 2013, first as a deputy chief of staff to Secretary of State Clinton’s and later as a consultant, a law enforcement source said. Some of the messages could already be among the large set of messages the FBI pieced together from a variety of different devices and sources during the yearlong inquiry into Clinton’s private email server, officials said.