There were cooperators in the same chatroom, a participant in the chats gave up their phone at an airport, or he volunteered it (probably not this). Same way

There were cooperators in the same chatroom, a participant in the chats gave up their phone at an airport, or he volunteered it (probably not this). Same way it was obtained in all these cases: https://www.courtlistener.com/?q=%22signal%22+AND+%22encrypted%22&type=r&order_by=score+desc&case_name=united+states&description=complaint&page=1 https://www.courtlistener.com/?q=%22signal%22+AND+%22encrypt...