When you first start the FBI level, immediately after the woman shoots out your cuffs, go to the center of the room with the three computers. You will find the Ubisoft logo acting as a screensaver.

More ammunition:
To gain more ammunition kill an enemy when he is reloading his weapon and you will get a full magazine for your weapon

Ubisoft logo:
When you first start the FBI level, immediately after the woman shoots out your cuffs, go to the center of the room with the three computers. You will find the Ubisoft logo acting as a screensaver.