LONDON—British police said on July 2 that they had carried out their biggest operation ever, arresting “iconic” figures and smashing thousands of conspiracies, including murder plots, after infiltrating a communications service used by criminals.
The National Crime Agency (NCA) said the cracking of the encryption used by EncroChat, which offered a secure mobile phone instant messaging service and was used by criminals to coordinate their activities, had allowed detectives across the country to make almost 750 arrests.
