Summary A new effort in Baltimore aims to prevent gun violence before tragedy strikes. A new effort in Baltimore aims to prevent gun violence before tragedy strikes. Free gun locks and safes are now available across Baltimore City, and local leaders say they could help save lives. Johns Hopkins University is partnering with the Enoch Pratt Library to distribute firearm safety devices at five Baltimore library branches. “Put time and distance between a person in crisis and a loaded gun,” Sakran said.