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- Former President Trump's lawyer turned in a laptop belonging to a former aide, outlets reported.
- The lawyer reportedly told federal agents the computer contained a folder with classification markings.
- Sources told CNN the aide did not realize the documents were classified.
Lawyers for former President Donald Trump discovered more classified materials in January and gave them to federal investigators, multiple reports say.
Among the materials turned in were papers with classified markings, an empty folder with classified markings, and the laptop of one of Trump's aides, multiple news outlets reported.