Daily Star's biggest headlines straight to your inbox!Brian Laundrie's sister said she hasn't heard from her brother or parents since Gabby Petito went missing last month.Cassie Laundrie also described the last time she saw and spoke to Brian, 23, who cops want to speak to in relation to Gabby's murder - and has become one of America's most wanted.That fateful conversation took place at Florida's Fort De Soto Park on September 6, the day Brian returned from his cross-country road trip without girlfriend Gabby.Shortly after Petito was declared missing on September 11, Brian fled from the home.Cassie told Good Morning America she wished she noticed something off about her brother's behaviour - and reported the meeting to police as soon as.
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