Basically my friend majorly fucked up and needs to delete a string of messages between himself and someone else but the phone cannot look like it was tampered or he will get into a metric fuckton of trouble. Its an iPhone 5 running ios 8. He needs to delete a thread of messages and make it unrecoverable no matter what passwords the authorities have. I am hoping someone here can help because my original idea was to back it up a bunch of times and then delete the messages and then restore but there is a chance the messages will eb left on the phone. Does anyone know of a way for me to do this. I can jailbreak the phone is necessary. Also, is there a way to make the phone look like a disk, nuke it with a 7 level format and then restore from backup?
Thanks for your time and please help
UPDATE: The cops will not be pulling anything from the cloud, it will only be from the phone, so the fact its stored on Apple servers is irrelevant.
What will essentially happen is they plug it in and pull everything from the phone so anything else is totally irrelevant, I repeat, it will be pulled straight from the phone so no cloud stuff is necessary
LAW ENFORCEMENT CAN SUBPOENA YOUR WIRELESS CARRIER FOR COPIES OF YOUR CELL DATA, INCLUDING MESSAGES YOU FUCKING IDIOT