Agree. Don't answer to pdf. Meet in public place, and personally? I would bring a witness. He or she does not have to sit at table with you but is within earshot of convo.
Ummm...ya....he's batsh*t. Sorry.
Get daughter a throwaway. Can you guys afford the minutes if you explain and you are careful with data? Don't even ask for phone back. When he gives it say thank you. That's it period. Kaffe is right when he said control.