Don't call College of DuPage Public Safety this because the campus is big enough to require it's own police force. Wheaton College public safety are known as the equal to a mall cop as they have no firearms. College of DuPage Police are often driving in marked police cars as they're fully armed and trained on the Off Campus Center across the building. They don't call College of DuPage the college of law enforcement for nothing. They were teaching them how to handle cybercrime in 1997, and the webmasters were training them how to bust pedophiles aka Perverted Justice .
The Public Safety at College of DuPage will joke with you but what ever you do, don't call them a rent-a-badge because they will nail you for slandering a police officer. Wheaton College on the other hand, call them what you want over the events of the Hijab Affair They have a fully functioning Police Department and often carrying a glock for their sidearm choice. According to Wikipedia Public Safety at College of DuPage are known as Campus Police.