Colombia recently reached a historic peace deal with FARC rebels, but that's not to everyone's liking. In parliament, the peace process has a strong adversary in Alvaro Uribe, the former president and now a senator, who supports an all-out war against the guerrilla. Alleged human rights violations during Uribe's time in office are now attracting growing attention, but witnesses are scarce, and the justice system has not been able to prosecute him. Our correspondents report.
A programme prepared by Patrick Lovett and Laura Burloux.