>> naifeh: yes. story said that he heard the gunshot in one of these farmyards, and later went back and could find no evidence of what had taken place. but he heard the gunshot take place in the farmyard. >> safer: and from here, it would have been easier for vincent to get back to the auberge ravoux. he would stagger down the street and then make what, a left turn? >> naifeh: a left turn toward the auberge. >> safer: and how far is that, roughly? >> naifeh: about half a mile. so it would have been still a struggle, but less of a struggle than climbing down the rough ground of the wheat field. >> safer: to naifeh and smith, auvers yielded more contradictions. in this house lived paul gachet, a doctor vincent saw from time to time, and even painted. doctor gachet drew this sketch of the artist on his death bed after examining him. he found the bullet was lodged in vincent's abdomen-- a curious way, it would seem, to attempt suicide. >> smith: the doctors told the police that the trajectory of the bull