1. What was his "lapse"
2. Who assured Walt he would find CHris?
3. When did info turn up about chris?
4. What did Chris purchase on a whim in Topock, Arizona?
5. What did he do with this purchase?
6. Where did McCandless lose his way on tyhe caneo?
7. What did McCandless eventually do with the Caneo?
8. When had he last spoke to another person?