Other universities set up similar systems as well, said Melissa Lucchesi, an outreach education coordinator with Security On Campus Inc.

WSJ: Two Killed in Virginia Tech Shooting

"About half the schools in the country are still in the Dark Ages when it comes to admitting violence happens--they would rather just sweep it under the rug, " claims Catherine Bath, executive director of Security on Campus.

FORBES: Magazine Article

However, he said, security has been beefed up on campus, including officers on foot patrols carrying semiautomatic weapons.

CNN: Vehicle of professor suspected in Georgia killings found

For now, the district is responding with additional campus police and a pledge to spend millions more on security.

NPR: Racial Tensions Overheat at L.A. High School

The violence began late Thursday when the two men, recorded on a security camera at a 7-Eleven store in Cambridge, allegedly went to the campus and shot the officer, then used a gun to steal a Mercedes sport-utility vehicle, briefly kidnapping the driver.

WSJ: Boston Bombing Suspect Killed in Shootout

Eze says that when she talked to security officers about being defamed on the Internet and secretly filmed by her landlord in her off-campus apartment, they brought in a psychologist.

FORBES: Brooklyn College Student Committed to Mental Institution After Hidden Camera Complaint