the pima county sheriff's department. a judge had kept them under seal until now, concerned they would prevent jared loughner from getting a fair trial. a witness described how he and others subdued loughner. >> i put my legs behind his knees and my arm in the small of his back. another guy was stepping on his neck. >> reporter: but in the new documents, he said one good samaritan did more than that, threatening to kill loughner with loughner's own gun. the other gentleman was holding the pistol. he said, i'll kill you, you m-fer. i said just put it down. if i wasn't a controlled person, i might have finished him off right there. the daniel hernandez, an intern for giffords, described caring for her just seconds after she was shot. >> she was alert and conscious but she wasn't able to speak. so the way that she was communicating was by grabbing my hand and just squeezing. >> reporter: in the new documents, more detail from hernandez. her breathing started getting shallower.