◄ | Glass Grinder | Marcus Banks' Test | Eye Vacuum Trap | ► |
Marcus Banks' Test is one of Jigsaw’s games from the Saw franchise, appearing in Spiral.
Design and Function[]
This trap consists many shackles which are connected on the victim's limbs with IV drips fitted in them, and a harness restraining the victim in the air. The IV drips slowly drain the victim of blood, ultimately killing them if enough time passes. They also have a barrel of a shotgun positioned under their right arm. Above the victim is a target which, when shot, releases the victim and stops the IV drips. However, the door has many wires running along it. If the wires are all cut, the victim is raised so that they'll be in standing position. Then, several search lights will be turned on to cover the victim in order to make it hard to see the harness & the victim conditions. Finally, the shotgun barrel is protruded and affixed to their right arm, which will be raised, giving the impression that the victim is going to shoot the person(s) who entered. (Spiral)
History[]
“ | You going to shoot me, Zeke? With your one bullet? Bad idea. It kills your dad. He took a shot at me, by the way. Missed. I wasted four. That means you got one shot left, Zeke. All right, cops are here. That gives us four minutes. Do you know there’s 1.5 gallons of blood in the human body, Zeke? The way your old man is bleeding out, in just three minutes, those jars will be full and your dad will be dead. The only thing that can set him free is the bullet in your gun fired at that target. That’s the game. Shoot me and you both lose. Shoot the target and we both win. You want to play? | ” |
— William Emmerson[src]
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“ | You still need to decide. You can shoot me, or… or you can save your dad. Clock’s ticking, man. Think fast. Cavalry’s coming. But not in time to do any favors for your old man. Only you can do it. | ” |
— William Emmerson[src]
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Zeke's Final Test[]

Marcus in his trap
The trap was designed and built by William Emmerson, a homicide detective who targeted corrupt members of the Metropolitan Police Department to avenge his father, Charlie Emmerson, who was unfairly killed by one of them. The victim was Former Police Chief Marcus Banks, who used to cover up corruption in the department. Ezekiel Banks's final test is to save his father, Marcus Banks, who is attached to a trap that slowly drains his blood via an IV drip. Ezekiel then given the choice by William Schenk, the Jigsaw killer in question to either shoot a target to free Marcus but allows William to escape.
Zeke decides to shoot the target
Or he could kill Schenk, but also letting Marcus die due to blood loss. William also mentioned that he had called SWAT team before hands to free him. Ezekiel ended up shooting the target to free his dad. William tries to escape on a cargo elevator, only to Ezekiel starting to beat him up in order to delay him until the SWAT team arrive. (Spiral)
Aftermath[]

The arriving SWAT team makes their way through the building
The SWAT team finally arrived at the location, and noticing the sealed door, starting to cut it. However, this action unknowingly also activates the trap to its final phase due to the wires connected to the door, which Marcus didn't realize until it was too late. As the SWAT team enters and held Ezekiel at gunpoint, due to his hostile actions towards Schenk.

Marcus is shot dead by the SWAT team
Marcus body was raised by the harness, several search lights turned on behind him and a shotgun become affixed to his right hand by a mechanism, which latter raised forward. The SWAT team, believing that Marcus is attempting to shoot them, immediately barrages him with bullets until he was dead, much to Ezekiel's terror. Unbeknownst to the SWAT team, William safely escapes and descending with the cargo elevator. As Ezekiel helplessly watched, William signaling him to stay quiet, ironically mimicking how Marcus doing the same action to him years ago. Ezekiel screamed in anguish as the film ends, leaving his fate unknown. (Spiral)