One sure way to prove/disprove Kraft's (John Glover) "card trick" would have been to have him do it blindfolded or another sight-deprived method. He shouldn't need to see the backs of the cards to divine their image in his mind.
When Larry sits down to eat lunch, he is eating a sandwich with lunch meat which isn't white. Larry only eats white foods.
When Sinclair and Colby arrest Victor at his truck, Sinclair grabs evidence from the bed of the truck without putting a glove on first.