'This Is Us' Writer Jas Waters' Death Ruled a Suicide

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TV writer Jas Waters' cause of death has been disclosed. 

ET can confirm that based on the Los Angeles County Medical Examiner-Coroner records, Waters died of suicide by hanging. She was 39.

Waters wrote on 18 episodes of This Is Us, and also worked on Jim Carrey's Kidding, Hood Adjacent With James Davis, as well as the film What Men Want. Under the name JasFly, Waters also appeared on The Gossip Game, a VH1 reality show about hip-hop TV and radio personalities and bloggers. 

On Wednesday, This Is Us' Twitter account paid tribute to Waters along with some of the NBC show's cast and crew.

"The entire #ThisIsUs family was devastated to learn of Jas Waters passing. In our time together, Jas left her mark on us and ALL over the show," the show's account wrote alongside a photo of Waters. "She was a brilliant storyteller and a force of nature. We send our deepest sympathies to her loved ones. She was one of us. RIP @JasFly."

This Is Us creator Dan Fogelman also tweeted, "This news took my breath away. Jas was absolutely brilliant and had so many stories still to tell.  She made an indelible mark on our show and my heart breaks for her loved ones. RIP @JasFly."

Meanwhile, Mandy Moore, who plays Rebecca Pearson on This Is Us, posted, "Sending love and light to @JasFly’s family and loved ones."