Lydia smiled at him, taking out the recording device and hitting the button once they started talking. Knowing that Beetlejuice's Russian was a little rusty, she translated it to him through sign language; something she learned from her parents due to her mother being mute. While it reminded her of them and wishing they were still alive, it did help when she didn't want anyone but Beetlejuice to understand what she was saying. That and the first mission they went on to record something had their voices overlapping about how boring it was and smack talking their captures. Oops. 

She blinked in surprise upon hearing them talk then pass around clearly classified documents. Thanks to their position, she was able to see one of the pictures inside. She gasped softly before looking over at him with wide eyes. "[b]They're attempting to open a portal to the Netherworld![/b]" She quickly signed.