The Fragility of Evidence from Mobile Devices (Forged Texts and Audio)14 mar 2021
The broadcaster allows this video to be played on YouTube only.
Technical video demonstration of how a WhatsApp conversation screenshot can be faked, using two devices, changing the contact's photo and name, and inserting messages and audio out of context. The forensic expert reproduces step by step the staging of a dialogue with a contact that does not correspond to the real person, completing the process in about seven minutes and thirty seconds. The demonstration supports the conclusion that screenshots on their own are not reliable evidence.
The interview is in Portuguese. The summary above is in English.