Abstract: Technological developments make it easier for people to communicate and share information. Facebook Messenger is an instant messenger that contains multi-platform for sending text, image, sound, and video messages. Besides being used for positive purposes, this technology can also be used to carry out harmful activities. This study conducts a forensic investigation on a crime simulation in pornographic content distribution using Facebook Messenger as a communication medium on Android smartphones. Perpetrators communicate and send pornographic content in the shape of conversations, audio, and video, then delete them to eliminate traces. Every crime can leave evidence therefore after erasing the track, it can be revealed through digital forensic investigations on the smartphone devices that are used as objects to find digital evidence. The collection of evidence in this study is used four forensic tools with the research stages the National Institute of Justice (NIJ) framework. The study result can be used as evidence by investigators on handling criminal cases with the results obtained in the shape of application versions, accounts, emails, conversation, time of occurrence, pictures, audio, and video. MOBILedit Forensic Express has an accuracy of 84.85%, Wondershare Dr. Fone 36.36%, Magnet Axiom 75.76%, and Belkasoft Evidence Center 69.70%.
Sunardi Department of Electrical Engineering, Ahmad Dahlan University, Yogyakarta-55166, Indonesia
Herman Master in Informatics, Ahmad Dahlan University, Yogyakarta-55164, Indonesia
Syifa Riski Ardiningtias Master in Informatics, Ahmad Dahlan University, Yogyakarta-55164, Indonesia