A short walk across the parking garage led to a security door.

Another security door had been swung flat against the wall.

Then she's gone through the security doors, and I'm sitting behind her desk.

There were two prison guards on the other side of the security door.

I shoved open the heavy security door that led to my private office.

He moved toward a heavy security door across the chapel.

We made our way through the operations office and out the double security doors.

Opening the security door, he led the boy through to an interview room.

I held the security door with one hand, the tray in the other.

Donnelly took me through a security door and into the main control center.