Abstract

| The murder in 2018 of Camilio Catrillanca, a member of a Mapuche tribe located in the South of Chile, garnered notorious relevancy because of the event itself but alsoduetothe failedattemptbyChilean policetomanipulateevidencethat pointedto police violenceandabuse. ThisstudyexploresnetworkedbehaviorsurroundingCatrillanca’sdeath once the police coverup became public, seeking to identify echo chambers and filter bubbles within politically radicalized user clusters. Through social network analysis (SNA), social media analytics, andcontentanalysis, the study concludes thatnetworks ontherightofthe political spectrum are homophilic and refer to less diverse sources of information, pointing to network behavior resembling echo chambers and filter bubbles. The final portion of this study provides further discussion of its results in context, limitations, and future research pathways.