Topic sentence: Surveillance footage has become a crucial part of the investigation into the death of Thai teenager Tunchanok Donhomla, as police piece together the final timeline before her disappearance.

A major investigation is underway in Thailand after the death of 17-year-old Tunchanok Donhomla, also known as Cake, whose final known movements were captured on CCTV in Pattaya.

The case has attracted international attention because the suspect is an Australian man, Simon Peter Carman, who was arrested after police reviewed security footage and gathered evidence from multiple locations.

According to police reports cited by international media, Tunchanok was seen entering an apartment building in Pattaya with Carman during the early morning hours. The building, located in the Jomtien area, later became the focus of police activity as investigators tried to understand what happened inside.

CCTV footage reportedly showed the two walking into the building together. However, police say Tunchanok was not seen leaving the building alive. That detail has become one of the most important points in the case.

Friends became worried after they could no longer contact her. Before communication stopped, Tunchanok reportedly sent a message saying she had arrived at a room. This final message helped friends and investigators narrow down her last known location.

After she was reported missing, police reviewed security cameras from the apartment building. They allegedly found footage showing Carman leaving alone with a large suitcase. Authorities say he later returned without it.

The suitcase was eventually found near railway tracks in Pattaya. Police say Tunchanok’s body was inside, along with some personal items. This discovery shifted the case from a missing-person search to a serious criminal investigation.

Carman was later arrested at Suvarnabhumi Airport in Bangkok. Police believe he was attempting to leave the country. He was taken into custody and is now facing several charges in Thailand.

The charges reported in the case include murder, moving or concealing a body, and accusations involving a minor. It is important to note that Carman has not been convicted and the case must still go through the Thai justice system.

Carman has denied the accusations. According to reports, he claimed that a conflict occurred and that he acted in self-defense. Police are continuing to examine whether that statement matches the physical evidence, CCTV timeline, forensic findings, and witness accounts.

For investigators, CCTV footage may help establish a clear sequence of events. It can show who entered the building, who left, what items were carried, and when certain movements occurred. In cases like this, camera footage often becomes a powerful tool for prosecutors and police.

The public reaction has been strong. Many people in Thailand have expressed sadness and anger over the death of a young girl. Others have focused on questions about safety in Pattaya, particularly for young women and teenagers.

The case also carries international importance because it involves a foreign suspect in Thailand. Australian media have followed the developments closely, while Thai authorities continue building their case.

For Tunchanok’s family, the legal details cannot erase their grief. They are now waiting for answers from investigators and the court system.

Until a final ruling is made, the suspect remains legally presumed innocent. Still, the evidence already reported has placed this case under intense public attention.