As Goren demonstrates the 7 weapons in the toy gun, weapons 3 and 4 are the same. He fires the same plastic projectiles for "armor piercing shell" and "anti-bunker missile".
When Goren and Eames visit the seamstress who designed the victim's Gothic costume, several of Vincent D'Onofrio's line are clearly written on the dress sketches he examines.
When cops gather at shooting scene in beginning, the uniformed sergeant had her collar chevrons upside down with points down instead of up.