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Today, a mother's campaign and compassion as her daughter's killers are sentenced. What do you get when you mix architects, jewelers and online cheesemongers?

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She was absolutely full of life. She was such a character. She was really really outgoing and she was really outgoing and she just, she loved attention, she loved to be on Tik-Toc, she loved having all of the likes that she used to receive and she was just, she was like Life and soul of the party really.

Everybody knew Brianna and anybody who ever met Brianna would never forget her. Brianna Jai was just 16 when she was killed.

Despite her anxiety and her struggling at times in her adolescence,

she was outgoing and she was popular.

She had a whole life ahead of her.

Good times don't have to cost anything

and the best times are the times when you're just completely relaxed and yeah it's just thinking of her at home and

like popping popping a heading in a little fluffy pink pyjamas you got to say mom can we have a Domino's pizza and yeah it's just just being at home and being with her and because she was such she was such a homebird and this is why it was so difficult because she was just

always there she was always at home when I came home she would be home.

Brianna's mom Esther Jaye is determined to try and find a way to channel her grief.

She's petitioning for a change in law to ensure child safety online.

And as she told the BBC's Laura Kunsberg, she holds compassion, not hate,

towards the parents of Brianna's killers.

I think that I would like to say that if she did want to contact me and she does want to speak

...