The wording makes me think it's that: Someone transferred $2,000 from Joseph’s bank account into his PayPal account
Now, I'm not sure where exactly this info came from and how it was worded originally, but if it was worded like above, it says it right there, bank account into his paypal account.
I don't know exactly how to word this, but I will try ... lol If someone, let's say DK, somehow had access to Joey's paypal account but not his bank account, it would be a way to access the funds. A paypal account is automatically associated with a bank account when you verify it, so there is no need to put in bank info, it's already there and you just have to make the request. The info that is in paypal couldn't have been used to access the bank independent of PayPal, at least I would hope not (might be able to see account number though?)
I am also unsure if payments can be scheduled in PayPal? Anyone know? Another question... was Joey's PayPal just a personal account? a merchant account?
This is from the PayPal site and I believe is something that has not changed since 2010:
Adding money
You may use the payment methods linked to your PayPal account to fund transactions you make using your PayPal account and you don’t need a PayPal balance to buy something or send money. You can transfer money to your PayPal account from a credit card, Visa debit card, or bank account that’s linked to your PayPal account by requesting an electronic transfer to your PayPal account. The amount transferred will be held as a balance in your PayPal account.