On 27 February 2013, a gunman opened fire at the Kronospan wood-processing plant in the Swiss town of Menznau, killing four people.

[2] The shooting, which took place at approximately 09:00 CET (08:00 UTC), occurred in the canteen area of the Kronospan wood-processing plant in the Swiss town of Menznau.

[3][4][5][6][7] Among the victims was Benno Studer (born 29 December 1986), a successful Swiss Wrestler active in competitions since 2007, with notable victories in 2010 and 2011.

"), aged 42, a Kosovar Albanian who had received asylum in Switzerland in 1991, and who had been convicted of robbery and sentenced to prison in 1998.

The weapon used by the perpetrator was a Sphinx Systems model AT380 sub-compact pistol, legally owned by Berisha's brother.