In this photo taken April 7, 2016, Jonathan Mossberg, whose iGun Technology Corp. is working to develop a "smart gun," demonstrates the firearm, in Daytona Beach, Fla. Mossberg is among a group of pioneers looking to build a safer gun. But unlike many others, he was in the gun business when he started down that path. Mossberg has been working to develop and someday bring to market a firearm that can't be fired by the wrong person, but works without fail in the hands of its owner in a life-or-death situation.  (AP Photo/Lisa Marie Pane)

From new to old, some of the gun safety features over time

Here’s a look at efforts to make firearms safer following Friday’s announcement by President Obama regarding new steps to curb gun violence, including by identifying the requirements “smart guns” would have to meet.

A truck with "Fly High Rhodens" painted on the window sits in the parking lot before start of the Pike County Vigil at the Pike County Fairgrounds in Piketon, Ohio on Friday, April 29, 2016.  (Kyle Robertson/The Columbus Dispatch via AP)

Vigil commemorates 8 slain in Ohio shooting massacre

The vigil Friday night at the Pike County fairgrounds brought together family members, friends and community residents to commemorate the lives of those slain April 22 at four homes near Piketon.