Mohsen

Moshen was a terrorist working for Syed Ali during Day 2.

When Kate Warner and Paul Koplin were captured by Syed, it was Moshen's job to torture them. he cut Paul, hurt his back, drenched his wounds with salty water and finally killed him in front of Kate.

Under orders from Syed, he was about to kill Kate when Jack and the CTU team entered the mosque and saved her.