News of the arrest was announced by General Francisco René Pedraza, commander of the army´s 3rd Division.
According to investigators, John Jairo Maturana is believed to be the head of a criminal band that operates in the neighborhood of Good Shepherd Parish in Cali, where the archbishop was murdered, Radio Caracol reported Tuesday.
Although the suspect´s alleged role in the murder is still unclear, army sources say they believe he was the mastermind behind the crime. Maturana claims he is innocent.
The Colombian press reported that Maturana in the past had a leading role in a television advertising campaign against drug abuse, sponsored by the presidency.