▁the ▁day ▁for ▁kind erg arten ▁through ▁sixth ▁grade ▁students . ▁ ▁The ▁police ▁pro be ▁into ▁the ▁accident ▁did ▁not ▁lead ▁to ▁any ▁criminal ▁charges . ▁A ▁suit ▁was ▁file d ▁on ▁March ▁ 3 , ▁ 1 9 7 3 ▁by ▁the ▁Ort iz ▁family ▁against ▁the ▁Santa ▁Fe ▁rail road ▁company ▁and ▁Art is ▁Ray ▁Johnson ▁for ▁the ▁death s ▁of ▁Edward ▁and ▁Aur ora ▁Ort iz ▁and ▁for ▁the ▁inj uries ▁of ▁Betty ▁Ort iz . ▁The ▁F ole y ▁family ▁also ▁file d ▁a ▁suit ▁for ▁the ▁inj uries ▁received ▁by ▁their ▁son , ▁Terry . ▁An ▁earlier ▁suit ▁was ▁also ▁file d ▁by ▁three ▁families ▁of ▁vict ims . ▁The ▁At ch ison , ▁To pe ka , ▁and ▁Santa ▁Fe ▁Rail road ▁Co . ▁file d ▁a ▁ 3 rd ▁party ▁suit ▁against ▁Johnson ▁for ▁lack ing ▁the ▁qual ification ▁to ▁drive ▁the ▁bus ▁and ▁against ▁Little field ▁I SD ▁for ▁neg lig ence ▁in ▁h iring ▁Johnson . ▁ ▁Dem ograph ics ▁ ▁As ▁of ▁the ▁ 2 0 0 0 ▁United ▁States ▁Census , ▁ 6 , 5 0 7 ▁people , ▁ 2 , 3 9 0 ▁households , ▁and ▁ 1 , 6 9 9 ▁families ▁res ided ▁in ▁the ▁city . ▁The ▁population ▁density ▁was ▁ 1 , 0 8 5 . 4 ▁people ▁per ▁square ▁mile ▁( 4 1 9 . 4 / km ²). ▁The ▁ 2 , 7 8 4 ▁housing ▁units ▁aver aged ▁ 4 6 4