Two stains on the right shoulder area of Adam's jacket appear and disappear during his argument with his father outside the cafe.
Adam said he went to college on a Westinghouse Scholarship, one of only 6 students to win one. The Westinghouse Science Talent Search selects 10 students per year, not 6. First prize is a $20,000 scholarship; second and third prize is $15,000. Needless to say, the prizes do not pay for the student's entire 4 years of college.
When the Detective is fingerprinting Adam's left hand, he starts with the little finger and proceeds to the thumb. The correct procedure is to always start with the thumb on either hand and proceed to the little finger.
When Jessie McMullen confronts Jimmy Chiu in his car, he calls him by his real name (Wong).
When Vito leaves the lawyer's office in the parking lot he asks the attendant if he saw a Cadillac Fleetwood leaving. The car they were driving was actually an Eldorado.