[Does Mabel get a trophy for scaring said 20 year old man? Either way, the moment that she heard somebody talk, that's when the poor girl suddenly took a few steps back!]

Stay back! I've got a grappling hook and I'm not afraid to use it...!!

[She shouted before she heard a rather familiar voice behind said bag]

Hey wait, aren't you that guy who accused me of murder? [And then she looked at the toe tag] ...Mister Joestar...?