Who is Brian Laundrie’s sister, Cassie Laundrie – and how has she clapped back at Netflix’s American Murder: Gabby Petito series? The Florida-based mum of 2 says she no longer speaks to her parents

A new Netflix documentary about the murder of ‘van life’ influencer Gabby Petito by her fiancé Brian Laundrie questions how much his family knew: here’s what you need to know about his sister Cassie
The heartbreaking murder of influencer Gabby Petito is back in the spotlight since the release of a new Netflix documentary about the case.
Petito, who was an aspiring van life vlogger, was murdered by her fiancé Brian Laundrie in August 2021. Laundrie’s body – along with a confession note – was found 37 days after he was reported missing, according to Time.


Interviews with Petito’s family, friends and witnesses from the case are featured in the production. Laundrie’s family – who reportedly did not help with the investigation – are once more being scrutinised by netizens.
Among them, Laundrie’s sister Cassie has the internet talking. “I reached out to Brian’s parents and they just never responded,” Gabby’s dad, Joe Petito, said in the Netflix documentary. “Neither did Cassie, Brian’s sister.” Here’s what we know about Cassie Laundrie – and what she’s said about the case.
Cassie Laundrie is Brian Laundrie’s older sister

Cassie Laundrie is the older sister of Brian Laundrie, who died by suicide after killing Petito.