Patrick Preslen de Almeida Oliveira is a Brazilian digital forensics expert with 10 years of experience. He trains law enforcement agencies across Brazil in digital forensic methodologies with a strong emphasis on open-source tools. His specialties include parsing mobile application data, normalizing undocumented databases, and promoting ethical and vendor-neutral forensic practices. Patrick routinely collaborates with investigations involving child exploitation, narcotics trafficking, and cybercrime.