Item description:

Turn slighly to the left, move forwards and open the lockbox
(metal cabinet Foodlocker)
(The red USB is on the inside wall on the right - press X to take)

O Why kill Nick?
O People trusted you
X Mind Palace

Examine the "Throwable Rock" (beside the tree in front of SAM),
look at SAM's back, then select [] Throw rock, press R1, then X

X Mind Palace

Examine Anna, Move to where Declan is/was, and select "Attacks Anna"
(should be []), press R1, then X

X Mind Palace

Examine the gun Declan is holding, interact infront of Sam and select []
(Try to move gun away). press R1, then X