You kneel down to their level. "How do you know my name?"
"Gramophone?"
What.
"... How do you know my dad's name?"
They just stare at you. You stand up, and brush yourself off.
"Okay, listen. I don't know who you are, or how you know who my dad is but- He's been missing for over three years. I'll bring you back, but I-"
You pick them up, and sling them under one arm.
"I'm- I'm sorry. I'll take you back tomorrow, okay?"
You grab your crowbar, and head out the door.
You have no idea how you're going to explain this to your wife.
... Poor thing keeps mumbling to themself. Didn't even realize that they'd switched to binary.