You are in need to a letter referencing the following:
-That it is indeed possible to hack into a residential network through an IP address.
-By hacking into the IP address, it is possible to gain control over any device connected to the network in order to manipulate the device
-By manipulating the device, it is possible to impersonate the device owner and preform any activity on the device
-It is possible for their to be no trace of the hacking of the IP address.