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by the author to include several developments within the industry that have made some of the previous information out-of-date.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 ...

PHOENIX — It's one of the simplest lines of defense if an intruder gets into your child's school - a locked door. The easiest way to make sure it's in place is if a teacher can lock it from the inside ...

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 ...

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, ...

CHARLESTON, S.C. (WCIV) — School safety has been a hot topic over the past few months, including in the Charleston County School District. Leaders with the district are considering changing locks on ...

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 ...

Michigan State University has installed locks on most classrooms on campus. The university plans to finish installing locks on all identified classrooms by next Spring. Michigan State University is ...

Michigan State University will add locks to more than 1,300 classroom doors by fall, the school announced Wednesday. The announcement is part of a wider plan to improve campus safety after a man ...

One week ago, gunfire shattered the peace at Florida State University. Two lives were lost, six others were injured and students were forever changed. While students are grateful for the swift action ...