Back to article: Don’t Make These 10 Campus Security Mistakes Previous Next What’s wrong with this picture? Scroll down to see the answer. ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ The hardware installed on these doors can be chained together, potentially trapping occupants. Photo: Gary Sigrist, CEO of Safeguard Risk Solutions Previous Next