Section 2  Special Research

  In this section special research was conducted and the results were analyzed to understand the attributes and circumstances of elderly offenders.
  Subjects of this research included the following:
  [1] 368 persons received by the Tokyo District Public Prosecutors Office (head office only) and the Tokyo Local Public Prosecutors Office during the period from January 1 to December 31 of 2007 who were aged 65 or older at the time of reception and that were then convicted or handed summary orders in a court of first instance and whose case documents were available (hereinafter referred to as “total elderly offenders received in 2007” in this section and Chapter 6).
  [2] With regard to injury/assault cases, a total of 112 persons including those who had committed injury/assault in [1] (35 persons) and those received by Tokyo District Public Prosecutors Office (head office only) and Tokyo Local Public Prosecutors Office during the period from January 1, 2005 to December 31, 2006 who were aged 65 or older at the time of reception and that were then convicted or handed summary orders in a court of first instance and whose case documents were available
  [3] With regard to homicide cases, 50 persons received by Tokyo District Public Prosecutors Office (head office only) and Tokyo Local Public Prosecutors Office during the period from January1 of 1998 to December 31 of 2007 who were aged 65 or older at the time of reception and that were convicted in a court of first instance and whose case documents were available (including two persons in [1])
  [4] In order to enable a comparison with elderly offenders, 100 persons were selected from theft and injury/assault cases who were received by the Tokyo District Public Prosecutors Office (head office only) and the Tokyo Local Public Prosecutors Office during the period from December 1 and December 31 of 2007 for theft and the period from November 1 to December 31 of the same year for injury/assault, and the first 50 persons were selected for homicide cases who had been convicted in the Tokyo District Court in 2006 and 2007 in the order of the date of conviction from the latest to earliest