"Spain has arrested one of its top police officers after €20m (£17m) was found hidden in the walls of his house, as part of an investigation into the country’s largest-ever cocaine bust.

Óscar Sánchez Gil was until recently the head of the fraud and anti-money laundering division of Spain’s national police force in Madrid."

https://www.theguardian.com/world/2024/nov/12/spanish-police-arrest-ex-fraud-chief-after-20m-found-in-walls-of-his-house