The problem of impunity has dominated the Colombian political landscape against the backdrop of almost non-stop war in the country since independence. The focus here shall be upon impunity in relation to human rights abuses regarding Colombian workers and union members. The central argument is that impunity is socially entrenched in Colombia due to an historical legacy of a weak state, a concomitant lack of institutionalised conflict resolution mechanisms and the stigmatisation of unions as havens for the revolutionary Left.