I understand dumb protagonists just be like they do, and that people in weird crazy stressful situations don't always act in the smartest way possible, but c'mon, are you kidding me?
dude: "We have reason to think one of these people is a thing, find out which one or I'll just kill them both."
guy: "Wait, no, you're wrong! Hey person, you're not thing are you?"
person: "No I'm not thing, but other person might be thing."
guy: "Hey other person, you aren't thing are you?"
other person:"No I'm not thing, but person might be thing."
guy: "See, obviously neither of them is thing! You messed up!"
dude: "Yeah one of them is lying dipshit."
guy "NO WAY!!!"