This video says about itself:
23 Feb 2013
Translated from NOS TV in the Netherlands:
New French horsemeat scandal
Update: Monday 16 Dec 2013, 16:09
French police in the south of the country are investigating a new scandal with illegally processed horse meat. In raids in eleven departments, according to the media, 21 people were arrested.
Police suspect that horse meat unfit for human consumption nevertheless had gone to stores. This is said to include horses which had been used in tests in the pharmaceutical industry and horses from riding schools.
Conflicts of interest in European Union food safety: here.