pg. 4

"The Prada Group believes that the risk of modern slavery within its organization is non-existent, while it deemed that same risk as overall low along its external industrial supply chain."

"The inspections effectively confirmed what the managers of the production divisions had already perceived; most issues were found at the sub-contracting level, with the Leather Goods Division experiencing more than the Footwear Division. The controls over first-tier suppliers were more encouraging, as they confirmed the effectiveness of the streamlining decisions of recent years." p.6

It is implied here that they have identified Leather as a higher risk resource and that the subcontracting tier is at higher risk too. But it's not clear if that was identified through any analysis simply and expectation that the employees had.