Abdulrahman Alfozan, 35, a Saudi national working as an engineer at OpenAI has been arrested for allegedly planting a recording device at the AI giant's office. The thumb-sized device, which had a microphone and could connect to a camera, was concealed in toilet paper, according to an FBI complaint. Key points and original sources are listed below.

• Abdulrahman Alfozan, 35, a Saudi national working as an engineer at OpenAI has been arrested for allegedly planting a recording device at the AI giant's office.S1

• The thumb-sized device, which had a microphone and could connect to a camera, was concealed in toilet paper, according to an FBI complaint.S2

• An engineer at OpenAI has been charged with secretly installing a recording device inside a conference room in what officials say was an effort to capture sensitive conversations about the company’s technologyS3

• FBI Arrests Saudi OpenAI Employee Accused Of Planting Hidden Recording Device At Company OfficeS4

• Accused allegedly hid thumb-sized device in company's executive conference room, faces five years in prisonS5