Overview

• Xavier Pelkey, from Maine, was sentenced to 15 years in prison after he planned to conduct a mass shooting at a Shiite mosque in the Chicago area.
• Pelkey built homemade explosives and conspired with two juveniles located in Chicago and Canada for the terror attack.
• Pelkey pleaded guilty to providing material support to terrorists and the FBI found three homemade explosives in his home.
• The explosives were made of fireworks bundled with staples, pins and thumb tacks to create shrapnel.
• A handwritten document about the planned mosque attack was found, where the attack was claimed in the name of the Islamic State group (ISIS).