The US Department of Corrections discovered a long-standing software bug that resulted in the early release of prisoners. The Washington State Department of. Corrections (DoC) launched an investigation after it early released 3,200 prisoners over the course of 13 years. The bug was introduced in 2002, in that year the states supreme court introduced a. change in the calculation of the good time credit system for all the prisoners in State Prisons and County jails. In December, 2012 in fact, the familiars of an assault victim reported the issue to the Department of. Corrections. In a 13-year period, the average number of days of those released early from prison was 49 days before the correct release date.”]
Source: https://securityaffairs.co/wordpress/43158/security/us-doc-software-bug.html