Having dragged what he deemed to be the head of the medic crew aside, it was pretty obvious Greg was outlining the 25 possible ways he and his men could expect their death, if they gave Julien and Jack a hard time. His reputation apparently preceeded him, because the medic seemed to have a reasonable amount of fear, nodding as he finished talking.
He approached them again, putting a hand gently on each of their shoulders. "I'm going to ride behind the ambulance. I'll be right there, alright? Unless- do either of you need me to get you something, on my way? The EMTs are going to insist on handling all the basic triage. But they seem... competent." That was said with an air of disdain, but he wouldn't have said it, if he didn't believe it.