UPDATE 2/26/2025: This article, first published in 2020, has been updated by the author to include several developments within the industry that have made some of the previous information out-of-date.

Crystal Salcido was an English teacher in El Paso for about a decade when she decided to quit her job to fully dedicate her time to her invention, a lock named Slon. The idea came to her in 2017. The ...

In the wake of the Virginia Tech tragedy, many universities are reportedly re-evaluating how best to warn their large student populations about emergencies on the campus, and many are moving toward ...

MSU Infrastructure Planning and Facilities installed hundreds of new classroom door locks over the summer. This latest update marks the end of a year-and-a-half long lock installation process prompted ...

Add Yahoo as a preferred source to see more of our stories on Google. Local and state law enforcement agencies work at the scene of an active shooter on the campus of Florida State University on ...

VAN BUREN -- Every classroom in the School District now has a new lock that automatically locks as soon as the door latch shuts, the School Board learned at its meeting Tuesday night. Danny Spears, ...

Columbus, Ohio — Ohio State University (OSU) has completed its three-year installation of hundreds of locks on its classroom doors. More than 540 emergency locks were installed in 48 academic ...

CARMEL, IND., September 17, 2013 – Ingersoll Rand Security Technologies today announced an affordable, standalone lockdown solution that lets teachers press a button on a remote fob to initiate ...

"I feel like the people making these rules have never actually taught before." As school shootings have become increasingly common, schools have started to implement new rules to keep their students ...