Sako had watched as his team mates where sent back to base by sniper fire, and when Dimitri finally started following him he couldn't have been happier. Turning corners he would double back to make sure he hadn't lost her before continuing; getting closer to the hallway he wanted. Shooting at any enemies he saw close enough to discover the secret he even thought about shooting friendlies but figured Dimitri would take care of them. Finally he reached the hallway he wanted and began to move a little false wall, making sure Dimitri saw him before he stepped through. After a moment of wondering if she decided it trap and turned around, Sako began to step forward  to go back through the door to check.