When Brass and Catherine are interviewing the Copy Shop Clerk at 33:02 and 33:08, the shot has been reversed. The clerk's name tag, which was previously on screen right, is now on screen left and the letters spelling "John" are now backwards as well.
When the Willows and Grissom are looking at the recently installed hand rail, Willows says that the cement is fresh. The handrail would not be installed using cement, it would be fixed with concrete, of which cement is an ingredient.
During her interview with Catherine, the victim's friend Mandy Cooper refers to the fraternity as Zeta Beta Theta, instead of Beta Zeta Theta.