Four days later, Brian was named a idiosyncratic of interest in Gabby's disappearance by the FBI. Shortly aft that quality broke, Brian's parents—Christopher Laundrie and Roberta Laundrie—reported him missing, per aauthorities.

After a nationwide search, Gabby's remains were found connected Sept. 19 in Wyoming's Bridger-Teton National Forest, according to authorities. The pursuing month, a aesculapian examiner announced that the YouTuber died by strangulation.

Around the aforesaid clip her autopsy results were revealed, Brian's remains were found successful Myakkahatchee Creek Environmental Park successful Florida. Authorities determined he died by suicide. 

Earlier this year, Gabby's parents filed a civilian suit against the Laundries, alleging in tribunal documents that they knew Brian killed their daughter before her assemblage was discovered, kept his whereabouts a "secret" after reporting him missing and were "making arrangements for him to permission the country."

Brian's parents filed to disregard the civilian lawsuit, however, successful June, a judge denied the motion. The Laundries' attorney, Steven Bertolino later said successful a connection to E! News that they "are disappointed" with the determination and "will proceed to usage each disposable ineligible means to sphere their rights."

Gabby's mom, Nichole Schmidt, has since filed a separate wrongful decease lawsuit against the curator of Brian's estate, seeking $30,000 successful damages. No proceedings day has been set.

The Laundries' attorney told E! News that the suit was "fully expected."

"This suit volition astir apt not beryllium defended and the Petitos volition person gained thing much than a portion of insubstantial that tells them what everyone already knows," Steven said May 6, "which is that Brian was liable for Gabby's death as indicated by the FBI."

More recently, excerpts from Brian's notebook, which was recovered adjacent to his remains, were released his family's attorney.

"I ended her life," Brian allegedly wrote. "I thought it was merciful, that it is what she wanted, but I spot present each the mistakes I made. I panicked, I was successful shock."

Brian allegedly wrote successful the publication that, portion helium and Gabby tried crossing a stream, she injured herself, adding that she had a "bump connected her forehead" and was "freezing cold" and "begging for an extremity to her pain."

However, Gabby's parent slammed his alleged confession. "That was his character, adjacent successful his past moments, helium wanted to marque definite helium looked similar the bully guy." Nichole said during an Aug. 4 interrogation connected Today. "That's ridiculous. We cognize however she died."