it was from 47-year-old elizabeth gilbert. >> someone asked me if i would like to write a man on death row, be a pen pal, and i was like, "sure," and i volunteered. i had been in a place in my life-- a relationship had ended, my parents were getting elderly, i was kind of adrift. the name that was given to me, just randomly, was todd willingham. >> narrator: willingham eagerly wrote back. >> i was just really struck by the letter from todd. it was very polite. it was very kind. >> narrator: gilbert wanted to know more about willingham. she decided to meet him face to face. >> i walked in expecting to see a black man, you know, the whole stereotype. and here was this handsome young white man who was very polite and very genial. >> narrator: willingham told her his version of what happened at the fire. >> the story he told me was, you know, this, he woke up to a fire, you know. he ran out of the house, couldn't get back in to save his children. there's a writer in me that was like, "this is a great story." >> narrator: gilbert decided to find out for herself who todd willingham really wa