Perth, Western Australia — Police continue their urgent search for 25-year-old William “Bill” Patrick Carter, a fly-in fly-out (FIFO) worker who went missing last week after failing to board a scheduled flight from Perth Airport. Carter was last seen at Trigg Beach, where he reportedly made his way in a taxi shortly after leaving the airport, and has not been heard from since. The search has entered an unsettling new phase with claims that his backpack was discovered on the sand — along with a strange, handwritten note inside — sparking fresh public interest and concern.

Carter was dropped off by his mother at Perth Airport Terminal 3 around 12:40 p.m. on Saturday, December 6, in preparation for a flight to a job site near Karratha. However, he never boarded the plane, and was believed to have remained at the airport for about an hour and a half before calling a taxi and heading to Trigg Beach, a popular coastal area north of Perth. Witnesses reported seeing him near the local surf club around 2:40 p.m., but he has not been seen or heard from since that afternoon.

Authorities and Carter’s family have expressed deep concerns for his well-being, especially given recent changes in his behavior and mental health. Carter’s mother, Jenny O’Byrne, has described her son as quiet and gentle, and said that his disappearance was completely out of character. She noted that her son had recently stopped taking anxiety medication and appeared to be experiencing a difficult period in his life prior to vanishing. Family members and police alike have urged anyone with information to contact authorities on 131 444.

In the absence of official updates regarding Carter’s whereabouts, social media posts have claimed that his small backpack — last seen with him the day he disappeared — has been recovered at Trigg Beach with a strange handwritten note found inside. These reports have circulated across local community groups and regional discussion forums, fueling speculation and concern online. However, police have neither confirmed nor denied the authenticity of these claims, and there is currently no verified information from law enforcement or established news outlets regarding the contents of any note found with Carter’s belongings. The posts appear to be based on hearsay rather than substantiated evidence.

The alleged discovery of Carter’s backpack has reinvigorated public interest in the case. Some community members have shared hopes that any personal effects might contain clues to Carter’s intentions or state of mind, while others have cautioned against jumping to conclusions without official confirmation. The speculation underscores the anxiety felt by relatives and friends desperate for answers.

Police have reiterated that the investigation remains open and ongoing. They have urged those who may have seen Carter on the day he vanished — particularly around the airport or Trigg Beach — to come forward. Surveillance footage, taxi records, and witness statements are being reviewed as part of the effort to piece together his movements leading up to his disappearance.

As the search continues, the missing man’s family and supporters are holding out hope for his safe return. With no confirmed sightings or verified evidence yet, authorities are emphasizing the importance of public vigilance and cooperation while advising against sharing unverified theories or details that could mislead or hinder the ongoing search effort.