On Wednesday, November 1, a 19-year-old Moscow college student Andrey Emelyanenkov had a dispute with his teacher of "Basic safety" subject, Sergey Danilov.
The student waited for the school break between lessons for other students to leave the class. Then he brutally stabbed his teacher to death.
The student took pictures of his dead teacher and some selfies and then posted it online. Seconds later, he committed suicide. The police found a knife and a chainsaw next to the bodies.
This is the teacher that was killed: