This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Sophie Rollet began her investigation after her husband died in July 2014. For a decade, French former childcare worker Sophie Rollet carried out her own, lonely investigation to make US auto equipment group Goodyear accountable for the death of her husband, Jean-Paul, in a collision linked to the company's tires. The 50-year- ...