Excited by Dunson""s fast draw, Matt asks how he knew when the Mexican was going to shoot - and learns another lesson:Matt: How""d you know when he was gonna draw?Dunson: By watchin"" his eyes.She accidentally severed the electronic cables, and sparked an explosion and electrical fire, further fueled by old paint cans.Wilson) - shot in the back "over a matter of $80".So Marty time-traveled to September 2, 1885 in the repaired time travel De Lorean to save "Doc" from his fate ("It""s not gonna happen, Doc") within five days.The platinum blonde hooker was fleeing from Indo-Chinese authorities in Saigon ("I got mixed up in a little trouble and I thought I""d stay away out of town until the gendarmes forgot about it").