NEW : In Tuesday 's arraignment , Canadian County District Judge Edward Cunningham entered not guilty pleas on Durcho 's behalf , according to The Oklahoman newspaper . Court papers say woman , the kids suffered ` ` severe pain and suffering '' NEW : Two year - old girls sexually assaulted before they died , documents say . Note : Threat of returning to prison motivated suicide , prosecutors say . Bodies found January 12 in apartment in El Reno , Oklahoma .
NEW : Court papers say woman , the kids suffered ` ` severe pain and suffering '' NEW : Two year - old girls sexually assaulted before they died , documents say . Note : Threat of returning to prison motivated suicide , prosecutors say . Bodies found January 12 in apartment in El Reno , Oklahoma .