. >> he now calls himself charles bolton and lives in san francisco, posing as a successful gold prospectort by charles bolton because it sounds very sophisticated. it has a certain dignity associated with it. he is as comfortable living in the wilderness as he is in the city. >> yes, sir. >> more champagne. circumstances compelled me. i yielded to the temptation of crime only after enduring severe struggles from which i had no control. >> detective hume also lives in san francisco. and this recent string of robberies is testing his patience. >> gentlemen, our efforts up to this point have been unacceptable. he's making a mockery of us, and i will not stand for that. >> hume begins to put together that this man is quite capable of covering long distances in between the robberies. he knows that it's not multiple-person jobs, that this is a lone man. >> boles is curious, with diverse interests. he takes odd jobs that pull him away from the city and give him access to new targets. >> he was trying just a little bit of everything. he tried school teaching for a while, which would have been a na