Kai, whose real name is Caleb Lawrence McGillvary, was ushered into a room in Police Headquarters and appeared on a screen in the Criminal Justice Center before Magistrate Sheila M. Bedford shortly after 5 p.m. Wearing a black T-shirt with an indiscernible graphic on it and looking slightly dazed, the homeless hitchhiker stared into the camera as Bedford informed him that he is a fugitive from justice, wanted in Union County, N.J. on a murder charge.