There is no need to explain who was Osama bin Laden and what he did that made him an instantly recognizable person. But several years after his death in 2011, a new documentary claims that the Al-Qaeda founder may have communicated with terrorists by encoding messages into porn videos.

These eyebrow-raising claims are part of a new National Geographic special—Bin Laden's Hard Drive— that analyzes and reveals the digital material recovered in Laden's compound in Pakistan.