The actress who played an Assistant District Attorney in Batman Begins was there
as a key witness in to witness a murder trial!
Katie watched from a back corner of the courtroom as her good friend Leigh Bishop prosecuted the case.
Eye-wtinesses to Katie's surprising court appearance say she wore no make-up, drew little attention to herself, and observed the proceedings discretely.
Was Katie just there to support her friend?
The defendant, Li Hangbin, stands accused of heinously murdering his 2-month-old daughter back in 2007.
[Image via WENN.]