Thiyan stared at the Geth, looking utterly alien despite it's humanoid posture of surrender. A Geth that spoke? That acted alone?
He kept his Viper rifle trained on it's flashlight head anyway. You couldn't trust machines, their thought process was completely different; no way of telling if they were lying, just looking for an opportunity to shoot you in the back.
"Why have you come here?" Tuhrop asked.
"And how is it that you're able to speak, and act alone?" Thiyan added. "I have never heard of a Geth with any sort of autonomy".
He kept his rifle loaded and aimed.