It's a trained Perpetrator.
The Perpetrator is unknown.
A Perpetrator is not static.
Gook Hee isn't the Perpetrator.
Perhaps more than one Perpetrator?
We're assuming the same Perpetrator.
Single homicide, obvious Perpetrator.
Did the Perpetrator really kill himself?
She definitely looks like a Perpetrator.
I think killing is new for the Perpetrator.
Anyone can become the victim or Perpetrator.
This type of Perpetrator develops over time.
I was the primary victim, not the Perpetrator.
His daughter is there, the assumed Perpetrator.
That's the only image we have of the Perpetrator.
The Perpetrator handed in his rental car too late.
Only the Perpetrator himself can explain it clearly.
You can't be certain that it's the same Perpetrator.
The crime scene indicates an experienced Perpetrator.
Which means the Perpetrator is monitoring his victims.
You hid the Perpetrator and sent her food, didn't you?
So we have to find it quickly and catch the Perpetrator.
But according to the victims, he is a genocide Perpetrator.
That's a potential treasure trove of victim and Perpetrator DNA.
It's when you retaliate against the family member of a Perpetrator.
And we didn't get to talk about an alternative Perpetrator in this case.
We covered the victim, but the Perpetrator covered his own faecal remains.
After many interrogations, they were convinced that this man was the Perpetrator.
The authorities are asking for help to identify the Perpetrator of this new crime.
According to experts, it is very likely that the Perpetrator retained a group of hackers.