Looks like suspicions are that the Leftist Marxist Guerrilas, FARC did this.
Cristina Bautista (Image: Twitter)
Indigenous governor, four guards massacred in southwest Colombia
by Adriaan Alsema October 29, 2019
An indigenous governor and four indigenous guards were killed in a massacre in southwest Colombia on Tuesday, according to local authorities. Five more people were injured.
According to local indigenous authority CRIC, the car in which governor Cristina Bautista and four guards were traveling was attacked in the municipality of Corinto, Cauca.
The massacre is the latest in what indigenous leaders have been calling a genocide of native Colombian peoples.
Read more at: https://colombiareports.com/indigenous-governor-four-guards-massacred-in-southwest-colombia/
Real bad by whomever did this but I am glad that "right wing" militias are not the suspects. You have the cocaine industry, it's probably on both sides but it seems the Marxist rebels have sided with the cocaine cartels.