The number plate on Dino Dibra's car changes. While the police are examining the scene it starts with the letters QSU followed but the numbers 79 and another number that is cut off by the camera. At the end in the flash back of his murder the number plate reads 293 A before being cut off.
When Benji Veniaman shoots Dino Dibra the slide on the gun is locked open on an empty magazine and yet the gun still "fires".
When we see Benji kill Dino, he fires six shots at Dino. But after the first five shots, the slide of the gun he's using is locked back, meaning that - bizarrely - Benji had loaded a half-empty magazine and the gun is now empty. Yet we still hear the sixth shot when he pulls the trigger, even though the gun visibly doesn't fire. Also, as earlier stated, there are 18 casings at the crime scene, yet he only fires 14 shots in total.