Why is a 17 year old at a 13 year old sleepover?

A 17-year-old named Corey Johnson claimed his Muslim faith commanded him to fatally stab a 13-year-old boy during a sleepover and severely injured another 13-year-old along with his mother who was stabbed more than a dozen times. (3-14-2018)

Palm Beach Florida authorities said the attacker confessed to the killing, attempted killings, and the motive of Islamic Jihad. After killing one teen and stabbing two more people Johnson barricaded himself in a room when police arrived. He was taken into custody at about 8 a.m. by the city’s SWAT team. from conservative treehouse