The Story of ‘BROTHER TIA’
Tia was an 8-year-old male dog who lived at CMU. He was well-known for his tradition of welcoming the new students at the Chiang Mai University’s annual 14km freshmen run. Every year “Brother Tia" would join them in running 14-kilometers up the mountain called Doi Suthep. At this point, many people would keep an eye out for Tia, wearing his dog gear running up the mountain.  Photos of the event showed Tia sprinting full speed in front of all the runners, despite his tiny legs! He became a favourite of CMU students and his antics were followed by many on social media.
Tia was very much loved by Chiang Mai University community.
Originally, Tia had lived with his owner in a house not far from the Chiang Mai University campus, so this allowed Tia to visit and play at CMU regularly, until he refused to return to his own home. 
Usually Tia lived now at the faculty of the ‘Computer Science Department’ but he often wandered about the campus to join the students on their activities.
On May 4, 2020, Tia disappeared. This caused students to search for him and a daily report was made at the police station.  Several days after Tia disappeared a dog’s body stuffed in a plastic bag and left in the woods along the roadside was discovered. It was confirmed that it was ‘Tia’ by scanning the microchip embedded in his body. The students then turned to WDT to help investigate Tia’s death! 

Chiang Mai Provincial Court sentenced to imprisonment Police Lieutenant Colonel accused of animal cruelty case "Tia CMU" gets 6 months, no parole.
Today (July 25, 2023) the Chiang Mai Provincial Court scheduled to hear the verdict in the animal cruelty case of "Tia CMU", a dog living at Chiang Mai University. In this case, Pol. Lt. Col. Parinya, a member of the Border Patrol Police in Chiang Mai Province. He confessed that he intended to take Tia out for a ride. But there was a car accident that caused Tia to die.
Recently, the court sentenced the defendant to prison for 6 months without parole, while a group of Tia's lovers expressed their happiness that Tia received justice. After being informed of the said judgment

As for "Tia", he is an 8-year-old male dog who lives at CMU. He is well-known for the tradition of welcoming freshmen up the mountain at Chiang Mai University. Every year, "Tia" joins the students in running up the mountain, especially during "Spirit Curve" which It is the last curve before reaching Doi Suthep. At this point, many people tend to keep an eye on Tia wearing dog gear running up the mountain. until becoming the favorite of the people CMU and people on social media
Originally, Tia lived with his owner. The house is not far from Chiang Mai University. This caused Tia to come and play at CMU regularly until recently she refused to return home. Usually at the Faculty of Science. Department of Computer Science
Until May 4, 2020, Tia disappeared. This caused students and alumni to search for him and a daily report was made at the police station. After disappearing for several days Before finding a short body stuffed in a plastic bag and left in the woods along the roadside. This is confirmed by the signal from the microchip embedded in the body.
Later, the Chang Phueak Police Station investigative team checked the CCTV cameras. It was found that the person who took Tia out of Chiang Mai University was a police sergeant with the Border Patrol Police. He later confessed that he intended to take Tia out for a ride, but a car accident hit him and Tia died. After that, an investigation was conducted until charges could be laid. And the Chiang Mai Provincial Prosecutor's Office is considering ordering charges on two charges, namely, the offense of animal cruelty. and the offense of theft at night using a vehicle

ThaiPBS: Loved Dog killed at the Thai university