https://techcrunch.com/2020/07/02/police-roll-up-crime-networks-in-europe-after-infiltrating-popular-encrypted-chat-app/

Hundreds of alleged drug dealers and other criminals are in custody today after police in Europe infiltrated an encrypted chat system reportedly used by thousands to discuss illegal operations. The total failure of this ostensibly secure method of communication will likely have a chilling effect on the shadowy industry of crime-focused tech.

“Operation Venetic” was reported by various police agencies, major local news outlets, and by Motherboard in especially vibrant form, quoting extensively people apparently from within the groups affected.