NEW : Suspect to CNN affiliate : `` They tormented me for 23 years . I could n't take it '' NEW : Court documents : Shooter tells police he expected to be killed . He was shot in the head and died at a hospital, but his family says they believe him. Newell apparently had an ongoing dispute with the township over property rights .
NEW : Suspect to CNN affiliate : `` They tormented me for 23 years . I could n't take it '' NEW : Court documents : Shooter tells police he expected to be killed . Man who helped tackle gunman : `` We did what we had to do '' Newell apparently had an ongoing dispute with the township over property rights .