No, let's not rule out that possibility just yet. They left that note for a reason.
[...? Hang on...]
[He walks over to the unmasked corpse, fighting a queasy feeling in his stomach as he bends down.]
[It can't be a coincidence this guy's the only one without a mask... but then, who is he? If he's the liar, is it just by random choice, or is there something else to this...?]
[He reaches into the corpse's pocket anyway.]
[This feels wrong somehow. But then everything about this is pretty messed up.]
no subject
[...? Hang on...]
[He walks over to the unmasked corpse, fighting a queasy feeling in his stomach as he bends down.]
[It can't be a coincidence this guy's the only one without a mask... but then, who is he? If he's the liar, is it just by random choice, or is there something else to this...?]
[He reaches into the corpse's pocket anyway.]
[This feels wrong somehow. But then everything about this is pretty messed up.]