Management failure -Blue Bell

Discuss what happened with Blue Bell. What was recalled? What were the issues FDA found at their plants? What were the examples of deficiencies that led to Listeria being present over a number of years? How pervasive a problem is this in the industry?
Broader implications for the industry: Use arguments from your references to describe how quality management systems and good leadership could prevent issues like this in the future. You may use info I provided, and additional info you find on your own.