Then examine every single phone.
Start with the main players.
And work out from there.
The ones who deleted their texts should be further investigated.
And go to the NSA to get them.
Deleted texts from any phone should be a red flag.
The phone isn’t what saves them. They are all automatically saved on the phone companies server. The user can’t delete that copy even if they want to. This whole thing is a smoke screen. These texts must be very, very damning.