The state fire marshal said that "due to the unsafe nature of the structure, a detailed examination could not be conducted and this fire loss is being listed as undetermined."

Media coverage of the case, as well as a push from the online activist group Anonymous, sparked outrage and protests demanding "Justice for Daisy" in 2013.

Coleman was featured in Netflix's 2016 documentary "Audrie and Daisy," which focused on the alleged assault and the ensuing trauma and online harassment against the family.

The documentary also told the story of Audrie Pott, a 15-year-old who allegedly was raped at a house party and then killed herself days later.

The film won a Peabody Award as "an honest, heartbreaking, and timely tale of sexual assault and social media, and the repercussions it can have on young lives."

SafeBAE, an organization co-founded by Coleman with a mission of ending sexual assault among students, said they were shocked and saddened by the loss.

"As all of our supporters know, Daisy has fought for many years to both heal from her assault and prevent future sexual violence among teens.