17-year-old Timothy Kretschmer killed 16 people on March 11, 2009 in Winnenden, Germany. Kretschmer opened fire at the Albertville-Realschule Winnenden junior high school and killed 10 students and three teachers. He also killed a person at a nearby psychiatric clinic where he used to attend for psychiatric sessions.The Guardian: Police treat Germany school killer chatroom 'warning' as possible hoax (March 12, 2009) Two people were later killed in a shootout.New York Times: At Least 16 Killed in School Shooting in Germany Many more were injured, including two police officers. Kretschmer fled the scene to a nearby town, where he died during a shoot-out with police.BBC: German school gunman 'kills 15' Daily Mail: Police gun down ex-student, 17, who massacred 16 people (March 11, 2009) Kretschmer shot himself during a shootout with police.BBC: Funeral for German school victim (March 14, 2009)

Kretschmer was a former student of the school that graduated in 2008. He lived with his family in a neighboring town where his parents had several licensed firearms in their home. Authorities said the father is a businessman and the family well-off. Special units stormed their home and questioned the gunman's mother.Spiegal Online: German Teenager Shot Dead by Police After Killing 15 People (March 11, 2009) Kretschmer had attended psychiatric sessions, but stopped attending in September 2008. One of his victims was an employee at the psychiatric clinic where he used to attend.The Guardian: Police treat Germany school killer chatroom 'warning' as possible hoax (March 12, 2009)

Kretschmer reportedly made a warning about the attack in an Internet chat room a few hours before it took place. Police say the discussion might have been a hoax. Kretschmer was reported to have said: "I'm fed up with this bloody life" and "I have got a weapon here and tomorrow I am going to go to my former school and give them hell." It was also reported that he said that everyone laughed at him and failed to take him seriously.CNN: German killer's warning: I'm going to give them hell (March 12, 2009)

After the shooting, the gunman fled the scene in a car and drove 25 miles to the town of Wendlingen, where he barricaded himself in a supermarket.The gunman shot and killed two pedestrians and wounded two police officers before reportedly shot and killed himself.BBC: German school gunman 'kills 15' Daily Mail: Police gun down ex-student, 17, who massacred 16 people (March 11, 2009)