▁in ▁the ▁hills ▁of ▁Med ell in , ▁mainly ▁Ro ble do ▁and ▁Man rique , ▁who ▁moon light ▁as ▁hit ▁men ▁willing ▁to ▁kill ▁for ▁as ▁little ▁as ▁US $ 2 5 . ▁ ▁After ▁the ▁A UC ▁dem obil ised ▁in ▁ 2 0 0 5 , ▁Mur illo ▁was ▁arrested ▁for ▁the ▁murder ▁of ▁a ▁local ▁politician , ▁although ▁he ▁managed ▁to ▁run ▁his ▁emp ire ▁from ▁prison ▁and ▁made ▁a ▁deal ▁with ▁the ▁authorities ▁to ▁use ▁his ▁power ▁to ▁keep ▁violence ▁to ▁a ▁minimum . ▁In ▁ 2 0 0 8 , ▁Mur illo ▁was ▁extr ad ited ▁along ▁with ▁other ▁par amil it ary ▁leaders , ▁and ▁La ▁Oficina ▁was ▁hurt ▁by ▁inf ight ing ▁between ▁rival ▁fa ctions ▁led ▁by ▁Maxim il iano ▁Bon illa ▁O roz co , ▁alias ▁Val enci ano , ▁and ▁John ▁Eric son ▁V arg as ▁Card ona , ▁alias ▁Sebastian , ▁a ▁native ▁of ▁Bar rio ▁Popular ▁in ▁Med ell in , ▁as ▁well ▁as ▁conflict ▁with ▁the ▁Us uga ▁Cl an . ▁V arg as ▁was ▁arrested ▁at ▁his ▁ran ch ▁in ▁August ▁ 2 0 1 2 . ▁ ▁One ▁of ▁the ▁leaders ▁of ▁La ▁Oficina , ▁Sebast i án ▁Mur illo ▁E che ver ri , ▁alias ▁" L indo " ▁and ▁" L ind ol fo ", ▁son ▁of ▁Don ▁Bern a , ▁was ▁arrested ▁on ▁February ▁ 6 , ▁ 2 0 1 8 ▁in ▁El ▁P ob l ado , ▁Med ell in ▁along ▁with