Sexual extortion

A U. of I. student reported that an unknown person sent him a friend request on Instagram and initiated a private conversation, during which the unknown person encouraged the student to send intimate photos of himself. After the photo was sent, the unknown person demanded that the student use a mobile app to send $400 under threat of publicly posting the photo. The student complied. The unknown person continued sending threatening messages demanding more money. The student did not respond to the follow-up messages.