Probably that's just the journalist words as I don't think they found or even looked for "traces of the app" on the phone. Most likely the government got a log of the DNS lookups from the ISP and made their arrests based on this.
Probably that's just the journalist words as I don't think they found or even looked for "traces of the app" on the phone. Most likely the government got a log of the DNS lookups from the ISP and made their arrests based on this.