im id ation ▁and ▁physical ▁assault s ▁on ▁conserv ative / right ▁wing ▁students ▁and ▁fac ulty ▁members . ▁On ▁ 1 ▁May ▁ 1 9 6 9 , ▁fifteen ▁M IR ▁activ ists ▁armed ▁with ▁kn ives ▁took ▁over ▁the ▁Bio ▁Bio ▁radio ▁station ▁in ▁Con cep ción ▁and ▁transm itted ▁a ▁special ▁broadcast ▁calling ▁for ▁the ▁loc als ▁to ▁take ▁up ▁arms ▁and ▁over throw ▁the ▁government ▁of ▁Frei . ▁On ▁ 2 ▁May ▁ 1 9 6 9 , ▁M IR ▁activ ists ▁operating ▁in ▁Con cep ción ▁attacked ▁the ▁branches ▁of ▁National ▁City ▁Bank , ▁the ▁building ▁of ▁the ▁La ▁Pat ria ▁newspaper ▁and ▁the ▁offices ▁of ▁the ▁We igner ▁Stein ▁business . ▁In ▁June , ▁the ▁M IR ▁kid n apped ▁journalist ▁Hern án ▁O ss es ▁Santa ▁María , ▁Director ▁of ▁the ▁Not ici as ▁de ▁la ▁Tar de ▁in ▁nearby ▁Tal c ahu ano ▁( 1 5 . 6 ▁kilometres ), ▁in ▁an ▁effort ▁to ▁silence ▁the ▁in ▁depth ▁reporting ▁on ▁the ▁left ist ▁violence ▁in ▁Con cep ción . ▁Police ▁Investig ations ▁and ▁Car ab iner os ▁soon ▁surrounded ▁the ▁University ▁of ▁Con cep ción ▁and ▁forced ▁the ▁students ▁to ▁release ▁the ▁newspaper ▁director ▁un har med . ▁A ▁spe cially ▁appointed ▁judge ▁was ▁soon ▁named ▁and ▁a ▁criminal ▁suit ▁was ▁file d ▁with ▁the ▁Cour ts ▁of ▁App e als ▁of ▁Con cep ción ▁against ▁the ▁M IR ▁and ▁over ▁ 2 0 ▁of ▁its ▁identified ▁leaders ▁for ▁breaking ▁the ▁Law ▁of ▁Inter ior