The tools families of victims in Yuvalday are using to grieve.

From American public media, this is Marketplace Tech.

I'm Lily Jamale. This spring marks two years since 19 children and two teachers were killed in a shooting at Rob Elementary School in Uvalde, Texas.

Photojournalist Tamir Khalifa has spent much of the last year and a half documenting

the lives of families and friends of victims in the wake of the tragedy.

Last week he was awarded the American Mosaic Journalism Prize for that work.

He told me how social media is helping the community with their grief and their push for

gun control.

Something that Kim Rubio, whose daughter Lexi was killed, said to me, and this is really how I thought a lot about

my work, but also how I've come to understand many of these families feel about their advocacy and what they share on social media.

And Kim said that the key ingredient is you need to be imagining it.

And if you can't picture it or that it could be your child,

then you're never going to step up. She wants people to think about that because she just can't think

about all the moms that are going to lose their children to this.

And so a lot of the moms and many others in Uvalde have been using social media to remember

the kids as they were in life, but also to show the ways in which their lives

have been inexorably changed by this event. A lot of what motivates this is the desire to make sure that the public doesn't forget and

that the public remembers and that the public can appreciate these children and all the things that the families are doing to keep their memory alive but also to fight on their behalf as part of this broader gun violence prevention movement.

You capture very serious moments, very difficult and emotional moments, you also capture some very playful. very

difficult and emotional moments.

And I wonder if there's one image that really stands out to you when you look back at your body of work.

From day one, these people that are affected by these profound historic moments and by these

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