Officials located Laundrie's remains on Wednesday near where they found some of his personal items.
Police formally identified the husband as a person of interest in the case in July.
Lenny DePaul said something always gives fugitives away, especially for someone like Laundrie, who has shared so much of his life on social media.
More than 160 troops have formed across Mexico to search for the missing, with some participants looking to ease their own pain.
The Laundrie family attorney, Steven Bertolino told Newsweek that unless he is informed that Brian has died, he will "still represent him."
Duane "Dog the Bounty Hunter" Chapman reportedly said that he had a "change of plans and couldn't bring himself to leave" Florida.
Thomas Phillips was slammed by police for putting his extended family through "17 days of hell."
Dog, whose real name is Duane Chapman, has gone back to Colorado while his team remains on the search in Florida.
Cassidy Rainwater, 33, was reported missing on August 25 six weeks after she was last seen. Her whereabouts are still unknown.
Sims, 30, was last seen in Duarte, California, on September 8, the Los Angeles County Sheriff's Department said.
While Marcano's family has criticized officers' response to the case and their failure to arrest Armando Caballero, police said they did everything they could.
The fiancé of Gabby Petito was last seen on September 13, according to an updated statement from his family attorney.
Cassie Laundrie and her husband, James Luycx, answered questions about Gabby Petito, whose remains were found in Wyoming last month.
"Tracking a fugitive is a marathon, not a sprint," a spokesperson for Chapman's team told Newsweek.
"It is his hope that DNA can be assessed to prove Laundries' presence," Duane Chapman's team told Newsweek.
The FBI paired with the Florida Department of Law Enforcement as the search for the missing college student enters its seventh day.
The prosecutor's office confirmed that a DNA test linked a former police officer to one of France's largest cold cases from the 1980s and 1990s.
Erika Irene Allison, 36, and Joshua Robert Martinez, 30, and their 17-year-old son, Psymon J. Kelly, left to go camping on September 11.
Retired FBI agent John MacVeigh has said that the person of interest in the disappearance of Gabby Petito may have fled the country.
It reportedly took hours for the 50-year-old to realize the rescue mission he had joined was actually looking for him.
The clip shows a man parking a car and walking into a nearby building with a blanket and a backpack, which Miya Marcano's family said they believe are hers.
More details have emerged that add to a timeline of Laundrie's known appearances.
Two people provided new clues, which authorities directly attributed to the Petito coverage.
Petito's dad said if other cases don't receive the same attention and effort as his daughter's, "that's a shame because it's not only Gabby that deserves that."
The dispatch audio contradicts reports that officers may have been unaware of a prior witness report, or initially believed Petito was the aggressor.
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.
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.