A senior manager at the China operations of Anglo-Dutch consumer goods maker Unilever is in police custody after being accused of helping a local firm produce fake Unilever products, a company spokesman has confirmed. The case underlines the flagrant abuse of trade mark by local manufacturers in China, many of which are turning to company insiders to help churn out fake famous-name products, sometimes even using genuine packaging. Brand name rip-offs, a scourge costing international manufacturer...