A massive update in the manhunt for Brian Laundrie: Partial human remains have reportedly just been discovered in the Myakkahatchee Creek Environmental Park at Florida's Carlton Reserve.
Law enforcement sources told NBC News the human remains had previously been submerged underwater due to heavy rain at the 24,565-acre preserve in Sarasota County.
According to CNN, a medical examiner has responded to the area, and a cadaver dog has also been deployed.
Beginning Wednesday morning, on-scene reporters began noticing lots of FBI and state/local law enforcement activity – including the setting up of tents, placing of crime scene tape and arrival of mobile command centers – on the premises.
As RadarOnline.com previously reported, Laundrie's belongings were discovered hours ago at the heavily wooded park, just one day after officials opened the reserve back up to the public following its month-long closure due to the massive search for the only "person of interest" in the death of 22-year-old vlogger Gabby Petito.
Earlier today, Brian's parents, Christopher and Roberta Laundrie, were seen arriving at the scene. Photographers snapped away as the 23-year-old fugitive's mother appeared to wipe a tear from her husband's face.
"Chris and Roberta went to the Myakkahatchee Creek Environmental Park this morning to search for Brian," their attorney, Steven Bertolino, told The New York Post. "The FBI and NPPD (North Port Police Department) were informed last night of Brian's parents' intentions and they met Chris and Roberta there this morning."
"After a brief search off of a trail that Brian frequented," he added, "some articles belonging to Brian were found. As of now, law enforcement is conducting a more thorough investigation of that area."
Brian has been missing since Sept. 13, days before the cause and manner of death of his previously missing fiancée was determined to be homicide by manual strangulation.
Gabby's remains were discovered in a Wyoming state park she and Brian are known to have visited while on their months-long cross-country road trip from which she never returned. Their tour of national parks began on July 2, and Brian returned to their home in North Port, alone, on Sept. 1. He was driving Gabby's van.
Brian and his parents refused to speak to both Gabby's concerned family as well as inquiring authorities. Instead, they lawyered up and went for a several-day family camping trip in Fort De Soto Park, which is where Dog the Bounty Hunter was focusing his search efforts.
Chris and Roberta did not report that Brian was missing until Sept. 17. Since then, everyone from FBI agents to police officers and even internet sleuths have been on the hunt for Brian Laundrie, who is at this time only wanted for his "activities following the death of Gabrielle Petito."
The feds believe he "knowingly and with intent to defraud, used one or more unauthorized access devices, namely a Capitol One Bank debit card" and personal identification numbers for two accounts believed to belong to Petito.
The initial search for Brian began in Florida's Carlton Reserve, where Christopher and Roberta claim he began a solo hike from which he never returned. Since then, there have been a number of alleged Brian sightings in different parts of Florida and along The Appalachian Trail.