Earlier this week, a jihadi channel on the messaging app Telegram called for attacks against the Games and detailed targets and methods, according to the SITE Intelligence Group.
SITE said a message was posted to "Inspire the Believers!" saying, "Lone wolf from anywhere in the world can move to Brazil now."
July 21, 2016
"Brazilian police have arrested 10 people suspected of planning terrorist acts during the Olympics...."
"The group was inspired by ISIS and only had contact with the group via the Internet..."