Even though a journal article undergoes a publisher's peer review process, it can still be retracted from it has been published in the journal, if plagiarism, incorrect data or unprofessional behavior has been reported.
Remind them that RIT faculty use Turnitin to check for plagiarism in papers.
Where can faculty access Turnitin?
Originality checks for course papers are done in myCourses. Instructor how-to-information is here. More support for myCourses is available from Teaching & Learning Services.