From the timeline of the events, linked to from the article: http://www.seattletimes.com/seattle-news/doc-timeline/ http://www.seattletimes.com/seattle-news/do

From the timeline of the events, linked to from the article: http://www.seattletimes.com/seattle-news/doc-timeline/ http://www.seattletimes.com/seattle-news/doc-timeline/ Nov. 3-6: Feuer meets with the IT application manager to discuss the calculation request. Feuer is told a coding fix is scheduled for Jan. 7, 2016, and is informed that the contractual coding developer needed to make the change had been on leave from February to September. Seems to be a classic case of the "bus factor" [1] being too low, in this case, only 1. 1. https://en.wikipedia.org/wiki/Bus_factor https://en.wikipedia.org/wiki/Bus_factor