 These complaints led to studies of the alleged erasures.In 2012, District of Columbia's inspector general conducted an investigation at Noyes Education Campus, and based on that investigation, it concluded "investigators found no evidence to corroborate these allegations", and that there was "no evidence of criminal activity or widespread cheating on the DC CAS exams".In 2013 the U.S. Department of Education released the results of their investigation finding that there was no evidence of widespread cheating in the D.C. public schools.