♪ welcome back. 14 minutes past the hour right now. long before the massive recalls back when toyota enjoyed a spotless reputation for safety. a group of assembly workers in japan started growing concern. >> they wrote a warning letter to the ceo. deb, these employees saw exactly what was coming down the line? >> not only did they see what was coming but they tried to warn their bosses and their bosses didn't do anything about it. >> reporter: for 45 years, he worked the toyota factory in japan. he took pride in his work believing it was for the good of society. >> translator: it was a good