Kenny Shiels an "outrageous fabrication" on turning against him. He since he has no regret accusing Dallas, insisting it was a clear conscience. Once again, Shiels received a four-game ban after being found guilty of two charges over comment about Andrew Dallas. In March 2013, Shiels signed a returning striker, Kris Boyd, whose team [Kilmarnock] which he started his career with, on a free transfer. At the end of the 2012–13 season, with the club finished ninth place, endured their worst home record in more than 30 years, Shiels future at Kilmarnock was in doubt after making comment about Celtic in a
Dean Shiels NASL, Shiels returned to Scotland with Championship club Dunfermline Athletic. In November 2017, two players from Falkirk, Dunfermline's local rivals, were charged with 'excessive misconduct' for taunting Shiels over his visual impairment during a Scottish Challenge Cup fixture between the sides, following an incident during the match in which Shiels had been sent off. Both players were given lengthy suspensions. Shiels left Dunfermline at the end of his contract, having played 25 times for the side. Shortly after leaving Dunfermline, Shiels signed an 18-month pre-contract with League of Ireland Premier Division side Derry City, where he would once again play