I never understood this. Why does he kill them? Why can't he just mimic them and that's it?

  • 3
    How else would you know he's the bad guy? Commented Aug 30, 2017 at 19:06

3 Answers 3


Let's look at those that he copies.

Officer Austin.

The T-1000 stole his car and impersonates him for several days. If he'd left Austin alive, the car would have been reported stolen and his access to the Police computer revoked. There's a possibility that the car itself is lo-jacked and can be traced if reported stolen.

Janelle Voight.

The aim here was to infiltrate the family and remain in situ in order to lure John to him. When that failed, the T-1000 killed Todd and left the bodies where they could be found. The more noise associated with John Connor, the greater the chance he'd get picked up by the police.

Security Guard Lewis

The goal here was to gain access to Sarah Connor. By killing the guard he can get into the Pescadero facility without fear that the staff would realise that there are twins walking around, potentially triggering an alarm.

Sarah Connor.

One of the Terminator's secondary goals is the death of Sarah Connor, hence why it tried to kill her after it became apparent that she wouldn't give it assistance in hunting down her son.

So, what's with all the killing then?

The T-1000 is single-minded in its desire to fulfill its mission, killing John Connor. With that in mind, it kills anyone and anything that gets in its way, no matter how petty the advantage gained.

  • What would of happened though if the T-1000 killed somebody who had direct contact with somebody who created Skynet? ie) Police officer arrested some youth who then reconsiders his future and puts his time and efforts into creating chips for the AI, killing the police officer meant that youth may not of been arrested and be able to reconsider his future.... dum dum derrrrrr.....
    – TiO
    Commented Nov 27, 2017 at 14:13
  • @TiO - It's a hail-mary pass. Sure, there's a possibility Skynet might cause itself damage but that's relatively unlikely and the risk of not doing it is that its destroyed by John Connor's forces.
    – Valorum
    Commented Nov 27, 2017 at 14:21

Because if he didn't, those persons could inadvertently inform his targets, just by showing in the wrong place or by phoning them while the T-1000 in mimic is trying to approach them.

The T-1000 (like the T-800 before him) is supposed to blend into the crowd. If there's a naked guy in the crowd pointing at him, yelling that he took his appearance, then his disguise has no value. Sure, he could lock them in a cellar, but given the "emergency" of his mission, it's more convenient to kill them on the spot and hide the corpse when needed. Corpses don't yell for help.

  • The T-1000 copies the victim's clothing. It doesn't steal them. Commented Jan 6, 2019 at 23:24
  • @HamSandwich I know but for the sake of the example I thought it was funnier.
    – kikirex
    Commented Jan 7, 2019 at 13:27

The terminators are built to kill humans. So, why wouldn't the T-1000 destroy them?

Also, it might blow its cover to have the real version of a person either walk into its infiltration or be found dead. It enhances the T-1000's chances of success to get rid of the person copied and destroy/hide the body.

  • There are plenty of humans that it doesn't kill though.
    – Valorum
    Commented Aug 31, 2017 at 8:27
  • 1
    Killing people leaves a trail. The mission is the most important. Random killing decreases the chance of the mission succeeding. Killing the duplicated person increases the chance of the mission succeeding. There is no down side to that.
    – ShadoCat
    Commented Aug 31, 2017 at 17:09

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