Official : Tests find ` ` evidence of violent activity in the house , '' sheriff says . NEW : Investigators : He left a note saying Marine had committed suicide . NEW : Sheriff : Witness who came forward Friday is suspect 's wife . Official : We think we have found Lauterbach 's skeletal remains .
NEW : Tests find `` trace of violent activity in the house , '' sheriff says . NEW : Investigators : Suspect left a note saying Marine had committed suicide . NEW : Source : Witness who came forward Friday is suspect 's wife . Official : We think we have found Lauterbach 's skeletal remains .