There is 1 Dead Ghost to be found in the Forgotten Shores. They can be collected on any mission or during a patrol. Each Ghost can only be collected once per account.
Ghost 1[edit]
Head for the beached and broken tug boat shown here. It is to the right from the river you can follow in from the Mothyard:
Jump inside the cabin of the tugboat. Look toward the bow and you will find the Dead Ghost on the floor of the cabin.