Park City School District officials on Tuesday were dealing with parental anger and angst after announcing increased police presence on a campus due to an unspecified threat. District spokeswoman Molly Miller acknowledged that the district had been aware of the threat, which mentioned May 3 in particular, since last fall. However, district patrons were not notified of the issue until Superintendent Ember Conley released a brief statement on the districtâs website (http://www.pcschools.us/), and ... <iframe src="http://www.sltrib.com/csp/mediapool/sites/sltrib/pages/garss.csp" height="1" width="1" > </frame>