Enter the Matrix

Take a breather:
During the first airport level, there is a door that remains open for a
short period. If you see it, then go through the door and you will be
outside. You can jump ontop of the security van. That's all but I'll
try to figure out more stuff.

Go to the hacking screen and type cheat the enter one of the following codes:
1ddf2556 - infinite ammo
FFFFFFF1 - invisibility (enemies can`t see you)
69e5d9e4 - infinite focus
7f4df451 - infinite health

 