Saudi Arabia's Secret Payment to Spanish King

A curious payment: a contractor seeking a public works contract might be tempted to pay a bribe. Here, the tenderer made a strange payment to the contractor. Or was something else going on here? These days Saudi Arabia could use the 100 million paid to Spanish King Juan Carlos through a Panamanian shell corporation. (from the FT) #saudiarabia #kingjuancarlos #panamapapers