The brothers' empire evolved amid a murky nexus between Colombia's narco-trafficking mafias and right-wing militia groups, which were battling left-wing guerrillas. The militias supposedly disbanded under a peace deal with the government, but the Mejias remained fugitives
... Guardian

Opportune 'success' given the scandals of late in the right-wing Columbian governments.

well I cant say I sympathise - I've seen many ppl's lives destroyed because of their addiction to drugs. Currently in the city I live, in the one area of town, cocaine is rife and snorting and crack is available on every street corner - I've seen how it destroys peoples lives and families being torn apart. Very Very Sad. I'm very much against drug use.