code: protected void setLastUpdate(Date date) throws IOException {
          SimpleDateFormat sdf = new SimpleDateFormat(VictimsRecord.DATE_FORMAT);
          String stamp = sdf.format(date);
          FileUtils.write(lastUpdate, stamp);
      }
docs: Sets the last updated date. Once done, next call to lastUpdated() method
  will return this date.
  
  @param date
  The date to set.
  @throws IOException