Location: Just before leaving the sewers, during the Devil's Labyrinth quest, go to the left. The card is on the ground next to the corpse of a dead guard. Can be seen on the following map:
ID Card 88: It's on a desk in the medical supplies room, during the quest Full Metal Jacket.
ID Card 89: Just before leaving the sewers, during the Devil's Labyrinth quest, go to the left. The card is on the ground next to the corpse of a dead guard.
ID Card 90: On the ground behind a Thug shortly after leaving the laundry room in the Prison Basement. Accessible during the quest "Devil's Labyrinth".