Colombia's escalating, brutal internal conflict is defining its presidential election

Colombia's escalating, brutal internal conflict is defining its presidential election30 minutes agoShareSaveAdd as preferred on GoogleIone Wellsin Bogotá, ColombiaAFP via Getty ImagesEscalating violence has marked Colombia's presidential campaign"My brother was murdered for not paying an extortion payment...in front of his children," Edilma Martinez Flores said at a support centre for displaced people in Bogotá.She fled her home on the outskirts of Cali, in the south-west, after armed criminal groups handed out leaflets ordering residents to leave or face violence."We had no choice but to leave our things behind. They started placing bombs along the routes people travel."Edilma is far from alone, and experiences like hers are why insecurity is dominating voters' minds in Sunday's key presidential election.Colombia's six decades of conflict between armed groups, the state and cartels has killed hundreds of thousands of people.It isn't new, but illegal armed groups have roughly doubled their membership in the last five years.These include Revolutionary Armed Forces of Colombia (FARC) dissident factions, the National Liberation Army (ELN) and the Clan del Golfo, who have expanded their control of rural areas key to drug trafficking and illegal mining.AFP via Getty ImagesThe outsider Abelardo de la Espriella (left) wants to build mega prisons for gang members and has Donald Trump's endorsement, while senator Iván Cepeda (right) wants more negotiations with armed groupsA brutal offensive between the ELN and FARC dissidents near the Venezuela-Colombia border last year displaced tens of thousands of people.The two presidential candidates have starkly different visions for tackling this violence, in a campaign marked by the assassination of a presidential candidate, homicides, kidnappings and bombings.Left-wing senator Iván Cepeda is seen as the "architect" of the current president Gustavo Petro's "t...