Search and Mark
When Rex is in your party, food, chems, firearms, and ammunition within a short distance in are highlighted in a green outline while aiming down sights. Containers (i.e. refrigerator, metal box, etc.) that have one or more of these items inside will also be highlighted. Once the items are removed, the container will no longer be highlighted.
- Appropriately, the player's corpse can activate this perk, if the player dies while aiming down sights.
- lakelurks will be highlighted despite their bodies not containing anything the player can pick up. In the case of lakelurks this may be due to the lakelurk shriek "weapon" they carry, which is classified as a real weapon with ammunition but cannot be obtained by the player. Some killed creatures such as
Behind the scenes
The name of this perk may be a reference to how hunting dogs search for prey and then "mark" the location by pointing at it.