When Lindsey returns from the sub-basement and exits the elevator, the writing on the security guard's shoulder badge is backwards; the video has been reversed.
When Angel and Lindsey are in Angel's office, and Angel is crossing behind Lindsey while laying on the intimidation factor, something -- most likely a piece of equipment or a sleeve -- can be seen moving in the lower left corner of the shot. Lindsey's eyes rest momentarily on it before looking up.
When Angel returns from Vanessa's trial, he says there was a "hung jury" and she was "acquitted." But a hung jury results in a new trial, not an acquittal.