ANALYSIS: Recent arrests and seizures suggest that drug traffickers are increasingly switching to chemically concealed cocaine (CCC) to move tonnes of shipments around the world, successfully passing through ports and airports undetected; in the first in a series of articles on CCC and organised crime, Policing Insight’s Chris Dalby looks at the background of this seismic shift in drug trafficking, the scale of the problem, and what steps law enforcement can take to meet some of the key challenges.