Where is Shield 3?

Hint 1 of 8:

You cannot find the third Shield until you have met Geffrye.

Hint 2 of 8:

He has hidden the Shield and will tell you where to find it.

Hint 3 of 8:

Geffrye hid it in the meat locker.

Hint 4 of 8:

If you visit here before talking to Geffrye, there will be nothing here
except a way up to the kitchen.

Hint 5 of 8:

From the top alcove, take the elevator down one floor and drop onto the
rafters.

Hint 6 of 8:

Take the first left and enter a studio where Geffrye will talk to you again.

Hint 7 of 8:

The meat locker can be found through the east door.

Hint 8 of 8:

Find Shield 3 where Geffrye indicated.