COLOMBIA TOURISM GROWING DESPITE RISKS
Colombia, long known as little more than the world's kidnapping capital and home to Latin America's longest-running guerrilla war, is attracting tourists at record numbers because of better security.
Ref. https://www.stuff.co.nz/hlc/1,,93498~4142945a34~,00.html
It really just depends on which parts of Colombia you go to, the government and locals recommend to not go by the southern areas where most of gang/mafia/drug related war happens along with kidnapping. Other than that, there are many areas that are considered safe to tourists.