‘He was an enormous drug trafficker, a prodigious producer of cocaine, 30,000 kilograms of cocaine of month. He had real control of the drug trade within Colombia. He was the man.’ Drug Lords: The Takedown s1e9: The Madman; Jay Bergman, DEA
El Loco is what is known as ‘an invisible’, a drug lord whose identity is unknown. Yet intelligence sources say he is trafficking vast amounts of cocaine. ibid.
‘He was a massive supplier of cocaine to the Mexican cartels.’ ibid. Ana
By 2008 the DEA have pieced together elements of Barrera’s original story. But they are no closer to establishing his identity. ibid.
To get to Daniel ‘El Loco’ Barrera, Ana [agent] needs someone from inside his organisation. ibid.
In Bogata, El Loco is out of his comfort zone. Investigators begin to make inroads into his network. ibid.
‘El Loco Barrera invested large sums of money to buy off witnesses and bribe police personnel.’ ibid. Ana