Who really came up with the original idea for Doritos Locos Tacos? Was it interns or inmates? Why did it take Taco Bell over 2 years to perfect the DLT? In this episode, we find out that the road to Hell was paved with good intentions. And by hell, we mean Doritos Locos Tacos. And by good intentions, we mean ample trial runs and iterations that finally resulted in the famous magical hybrid! This video "The History of Taco Bell Doritos Locos Tacos", first appeared on http://thrillist.com.