Prosecutors had previously charged a fundraiser for Mr. Liu, Xing Wu Pan, with illegally funneling donations to the candidate.

WSJ: Bharara Sees 'Pervasive' Corruption

Liu's ex-campaign treasurer, Jia "Jenny" Hou, and former Liu fundraiser Xing "Oliver" Wu Pan are facing federal charges of conspiring to break campaign finance laws.

WSJ: Trial opens for aides of NYC mayoral hopeful

The action, loosely based on a true story and filmed on location at and near a Utah university (and, briefly, in China), concerns Liu Xing (Liu Ye), a brilliant young astrophysicist from Beijing who travels to the United States for graduate study under Professor Jacob Reiser (Aidan Quinn), a scientist whose work he admires but whose best years and ideas are behind him.

NEWYORKER: Dark Matter

On Thursday, Ms. Lee testified for a second day in Manhattan federal court at the trial of Jia "Jenny" Hou, Mr. Liu's former campaign treasurer, and Xing Wu "Oliver" Pan, a longtime campaign contributor.

WSJ: City Comptroller John Liu Stands By His Aide

The trial of fundraiser Xing Wu "Oliver" Pan and his co-defendant, former Liu campaign treasurer Jia "Jenny" Hou, was scheduled to start this week but now could be postponed for as long as two months.

WSJ: Trial Tied to Liu Delayed

The jurors also heard lawyers for Liu's ex-campaign treasurer, Jia "Jenny" Hou, and former fundraiser Xing "Oliver" Wu Pan portray them as political neophytes caught in the crossfire of an overzealous corruption investigation of Liu's campaign finances.

WSJ: NY jury begins hearing case against Liu aides

On Thursday, she was expected to testify further in the campaign-fraud conspiracy case against Mr. Liu's former campaign treasurer, Jia "Jenny" Hou, and a longtime political supporter Xing Wu "Oliver" Pan.

WSJ: John Liu Aide Testifies on Campaign Finance Allegations