Alex is startled by the backpack on the side of the lobby desk. No corpse, nor any signs of any distress, the entire building is clean, besides the shattered window.
With pre-caution, Alex proceeds the bag, aiming his pneumatic nail-gun at the desk, and the bag as he approaches, looking over the desk to find nothing of potential use.
He ducks down, and slowly unzips the backback. Looking behind him at the broken, closed elevator in awareness.
Alex manages to salvage medical gauss bandage wrap, a dozen "local-clot injection" syringes, and a scalpel, whoever obtained this backpack, was explanatory as a paramedic, but leaves Alex in wonder of why the backpack is green, and has lined utillity leather on it's pouches.
"I'll surely be getting out of the city alive, with these rations." He says, regarding the rations he also finds as well..