sˈɜːpə əpˈoʊzd ðə kənvˈɪvɪɹ ɡɹˈuːps kɹiːˈeɪɾᵻd baɪ fɜːnˈændoʊ bɑːtˈɛɹoʊ, ɐ ɡɹˈuːp ʌv sˈɛlfdᵻfˈɛns ɡɹˈuːps ɪntˈɛndᵻd tʊ ɪmpɹˈuːv sᵻkjˈʊɹɹᵻɾi ɪn ˈɛɹiəz wɜː ðə ɡˈʌvɚnmənt kˌʊdənt ɹˈiːtʃ.
Serpa opposed the CONVIVIR groups created by Fernando Botero, a group of self-defense groups intended to improve security in areas were the government couldn't reach.