The amount and positioning of snow on Benson's hair and hat changes between shots.
Elliott Stabler rushes into a courthouse holding cell area or jail unit, and breezes past the front secure gate controlling person by flashing his badge at a distance. In real life, one could not gain entry as simply or quickly as this, without checking in, filling out a book, showing ID, signing a ledger in ink, etc., especially post-9/11 and post Capitol storming.
When the safe was opened by grinding off the hinges, the door bolts were in the out position. A safe door can not be opened just by removing the hinges.
When Stabler meets Benson in a park it is obvious that there is a considerable amount of snow fall, however when the police execute a search warrant on a storage facility there is no snow visible anywhere.
When the regular officers and Elliot Stabler execute a warrant on the warehouse building that was formerly used as a rave location, several officers are rifling through drawers of evidence and are not wearing latex gloves. These actions damage or severely negate forensic evidence, and create a nightmare for the fingerprint evidence later on.