On 20 April 2021, Sandra Liliana Peña Chocué was preparing for a meeting with officials from the Colombian government in the city of Popayán. It was when her home was broken into by the gangs. Then, she was attacked by the 4 unknown men holding weapons. According to a report from the "Regional Indigenous Council of Cauca" (CRIC), before she was killed, she had spoken out against the increase in the cultivation of illegal crops in the reserved place. As a result of her speech, she was threatened by the illegal groups. Those groups exercised control over the territory of the Department of Cauca. She even reported about the threats to the authorities.