Jack breathed a sigh of relief as the stranger complied, stepping out from within the cover of the forest. He was ex-military, that was plain to see by his fatigues, well-worn over the years. He had a familiar air about him, however Jack simply could not place it. Looking over his shoulder at the truck with Claire behind it, he called to her, making sure to keep Matt in his peripherals.
"It's okay, he's alright. Go grab Chris, and tell him to come out unarmed as well."
That being said, he turned his attention back to the soldier, taking two non-threatening steps forward to grip the Beretta in his hand. He was briefly reminded of Desmond's gun, the one he talked about so frequently in his writing, but the memories which were not his again escaped Jack as he, too, introduced himself.
"Jack Marino. And we weren't aware of the whole situation; we merely saw the smoke from the fire and came to investigate," he looked around at the bloody scene before him, and wondered if all of them really needed to die. Still, they were dead, and he didn't dwell on it a moment longer.