The TV personality noted Laundrie is "not an experienced runner or criminal" and "seems like he's kind of an outdoors kid."
A spokesperson for the Moloney Funeral Home in Holbrook, New York, told Newsweek that the service will take place on Sunday from 12 to 5 p.m. ET.
A source close to the family of the person of interest in the disappearance of Gabby Petito told CNN there were fears for Laundrie's safety.
Norma Jean Jalovec said Laundrie got into her vehicle near the spot in Grand Teton National Park where another driver is said to have dropped him off.
A major search is underway for Laundrie, who hasn't been seen since September 14.
Authorities encouraged people with knowledge about Brian Laundrie's whereabouts to contact the FBI.
"During the past week, our police officers have been both praised and criticized for their response," the statement read.
The 24-year-old was last seen leaving a job site in the Arizona desert on June 23. He has not been seen or heard from since.
The veteran true-crime presenter has joined the hunt to find missing Brian Laundrie after his fiancée's body was discovered in Wyoming.
Police are continuing their search for Brian Laundrie, who went missing on September 14.
"He was very kinda awkward and confused, and it was just him. There was no Gabby," the TikToker said of Laundrie.
A letter from the Petito family's lawyer demands that Laundrie's lawyer "cease and desist posting pictures" of Petito by 2 p.m. on Wednesday.
The Instagrammer said she saw Laundrie reduce Petito and a hostess to tears as he repeatedly re-entered the restaurant to yell at its staff.
The Sarasota County Sheriff's Office said that its Underwater Recovery Force team members are "divers called upon to search bodies of water for evidence."
Cho, a music teacher from New Jersey, was last seen leaving her residence in the California desert of Yucca Valley at around 3 p.m.
"My heart goes out to [the Petito] family... But we do have a lot of Gabby Petitos in the Black and brown community as well," said Derrica Wilson of the Black and Missing Foundation.
Bodycam footage from the police stop has revealed a glimpse into Gabby Petito and Brian Laundrie's van, in stark contrast to a video they shared.
The reality TV star has shared his thoughts on the case that is currently gripping the nation.
The witness also said that it appeared that Brian Laundrie was "trying to leave her and maybe take her phone."
"Teton County Coroner Dr. Brent Blue confirmed the remains are those of Gabrielle Venora Petito, date of birth March 19, 1999," FBI Denver wrote in a tweet.
Videos on TikTok with the #gabbypetito hashtag were reported to have been viewed more than 268 million times as of early September 19.
Only 18 percent of Indigenous women who were reported missing received newspaper media coverage, a state report found.
"I would suggest talking to HR honestly because when men feel comfortable to speak violently, that's a red flag," suggested a commenter.
Melissa Hulls, the visitor and resource protection supervisor at Arches National Park, in Utah, responded to a radio call of possible domestic assault.
"The way this story captivated the nation has many wondering, why not the same media attention when people of color go missing?" Reid said.
Lauren Cho's disappearance bears some similarities to 22-year-old Gabby Petito, who was reported missing on September 11.
Walsh, who helped law enforcement capture more than 1,200 fugitives on the show, said: "I'm settling up to catch this dirtbag."