at the end of the vietnam war. he has since owned and operated several restaurants and businesses. >> i have my b.s. in food service management and i have my master's degree in education. i enjoy teaching. i'm a teacher, i can help, pay back society as well. >> hot pan, coming through, ladies. >> inmate kiana turk says she values the training and feels motivated by chef bui. >> chef bui is very great. >> chef. >> yes? >> can you come see if i'm doing this right? >> chef bui, he's pretty cool to be around. i don't know, i like him. when you don't know something, instead of him being kind of hard on you, actually he likes to help us a lot. i appreciate him for this program, actually. >> stay away from the bone. >> the privilege of working under chef bui can be lost in an instant. as yvette anderson knows all too