Crime 'If You Have Any Decency Left': Gabby Petito's Family Pleads with Fiancé's Parents to Help Find Her "We believe you know the location where Brian left Gabby," the letter reads. "We beg you to tell us." By Chris Harris Chris Harris Chris Harris has been a senior true crime reporter for PEOPLE since late 2015. An award-winning journalist who has worked for Rolling Stone and MTV News, Chris enjoys prog rock, cycling, Marvel movies, IPAs, and roller coasters. People Editorial Guidelines Published on September 17, 2021 11:20AM EDT In a letter addressed to Brian Laundrie's parents, and read aloud Thursday in front of the news media, the parents of Gabrielle Petito begged for help in finding the missing 22-year-old, who hasn't been heard from in nearly a month. "We believe you know the location where Brian left Gabby," the letter reads. "We beg you to tell us. As a parent, how could you let us go through this pain and not help us? As a parent, how could you put Gabby's younger brothers and sisters through this." Lawyer Richard Stafford read the letter for reporters on behalf of his clients, Petito's parents, Joe Petito and Nichole Schmidt, and her stepparents, Tara Petito and Jim Schmidt. For more on Gabby Petito's disappearance and other top stories, listen below to our daily podcast PEOPLE Every Day. "Please, if you or your family has any decency left, please tell us where Gabby is located," the parents plead in the letter. "Tell us if we are even looking in the right place." Gabby Petito's Father Desperate for Answers as Search Continues for 'Free Spirit' N.Y. Woman Gabrielle Petito with her dad, Joseph. Facebook Petito and Laundrie — named a person of interest in his fiancée's disappearance — had been traveling across America in a white Ford Transit van since early July. Petito was reported missing on Sept. 11 — 10 days after Laundrie, 23, returned to his parents' North Port, Fla., home in their van. Utah Police Release Body Camera Video of Gabby Petito and Fiancé 2 Weeks Before Her Disappearance Petito was last heard from on Aug. 25, when she was near Grand Teton National Park in Jackson, Wyo. On Aug. 12, police in Moab, Utah, were called to a food cooperative after bystanders reported witnessing a heated argument between the two. Police Were Called to 'Incident' Involving Missing N.Y. Woman and Fiancé 2 Weeks Before She Vanished Police body camera footage of the police questioning the pair for over an hour was released late Wednesday. Both Petito and Laundrie were released without criminal charges. Gabby Petito, Brian Laundrie. Find Gabby/Facebook "We understand you are going through a difficult time and your instinct to protect your son is strong," the letter reads. "We ask you to put yourselves in our shoes. We haven't been able to sleep or eat and our lives are falling apart." Want to keep up with the latest crime coverage? Sign up for PEOPLE's free True Crime newsletter for breaking crime news, ongoing trial coverage and details of intriguing unsolved cases. The letter continues: "Gabby lived with you for over a year. She was going to be your daughter-in-law. How can you keep her location hidden?" Gabby Petito's Dad Questions Her Fiancé's Silence, Says He Saw 'No Red Flags' Before Their Road Trip It was unclear Friday if the letter was actually mailed to Christopher and Roberta Laundrie, or just read aloud, in hopes they'd see the media coverage. Gabrielle Petito. Facebook PEOPLE has not been able to reach the attorney for Laundrie's family. Brian Laundrie's Sister Speaks Out: 'Obviously Me and My Family Want Gabby to Be Found Safe' "All we want is Gabby to come home," the letter concludes. "Please help us make that happen." Petito is a white female, approximately 5 feet 5 inches tall and 110 lbs. She has blonde hair and blue eyes, and several tattoos, including one on her finger and one on her forearm that reads "let it be." Anyone with information on Petito's whereabouts is urged to call 800-CALL-FBI.