May 31, 7:45 PM: Theo Hayez and an unnamed friend were caught on a CCTV camera in a local bottle shop in Byron Bay.
May 31, 23:00: The last confirmed observation of Hayez. He was seen when he left the Cheeky Monkey bar and seemed to be heading toward the WakeUp! Backpacker hostel where he stayed.
June 1 AM: The last confirmed WhatsApp message was sent from Theo's phone.
June 1, 1:42 PM: Theo & # 39; s phone pinged for the last time.
June the 6th: Theo was reported missing to the local police.
June 9: The police conducted a major land, sea and air investigation in the Byron Bay area with the help of rescue officers, the State Emergency Service, a lifesaver rescuer and rescuers.
June 10th: Local residents and other backpackers took part in the search for Theo.
10 June – 16 June: SES crews, the dog crew, lifeguards, local volunteers and police continue to search the headlands of Byron Bay, east and north of the city, as well as beaches and marshes.
June 16: Theo's mother, Vinciane Delforge, told a French broadcaster in Belgium that she hopes her son is safe and well, but said that his disappearance is completely out of character.
June 17: Theo & # 39; s father Laurent Hayez travels to Byron Bay to help find his son Theo. He makes an emotional plea and asks Australia to keep looking for his son and promises to stay in the country until he is found.
He says he hopes that WhatsApp will work with the police to decrypt the messages that Theo sent last – an achievement, he says, that could change the course of the search.
The police admit that they are still & # 39; stunned & # 39; be open throughout the case and all lines of investigation.
Murder detectives go looking for Theo.
3 July: NSW Police announces that the large-scale search for the teenager had been canceled, but investigations are still ongoing.
July 12: Theo & # 39; s broken father is flying home.
July 17: Top forensic psychologist Tim Watson-Munro says that Theo may have been the victim of an unknown serial killer, along with two 20-year-old backpackers who went missing months ago on the north coast of the NSW.
July 18: The parents of Theo reveal that they believe he is still alive and hope that he lives in a congregation.
August: A dedicated group of residents of Byron Bay has hired cadaver dogs to search for the missing Belgian tourist Theo Hayez.
The dogs and their companions roamed through bushland in the Arakwal National Park including Tallow Beach.
September: Theo & # 39; s father Laurent Hayez returns to Australia to continue his search for his son.
16 September: The police ends the search for Theo and refers his case to the coroner.
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