"Interrogator": "And did they witness that this man had seen what they were doing?", 
"Interrogee": "Yes, when they killed and dragged the body outside, when they got inside the car, he saw in the mirror there's a man on the roof. So, they know overall who watched everything. So he warned him, he wanted to kill him. But he warned him that if he tells anyone anything about this crime, he will also kill him."