In the armed attack carried out by İsa Aras Mersinli, an 8th grade student of the school, at Ayser Çalık Secondary School in Kahramanmaraş on April 15, teacher Ayla Kara and 9 students lost their lives and 15 students were injured.
In the video review reports regarding the attack, camera recordings of the route taken by the attacker from his home to the school were included.
According to the records, Mersinli left his residence in Haydarbey District at 13.14.19 on the day of the incident, waited in front of the school for about "1 minute" and then entered the main entrance door.
He also obtained other footage and investigation reports regarding the incident.
THE ATTACKER'S ENTRY TO THE SCHOOL AND THE MOMENTS OF THE ATTACK ARE ON RECORD
İsa Aras from Mersin was seen in the camera recordings in front of his house door at 13.14 on April 15, when the attack took place, with a bag on his back, a photo file and a mobile phone in his hand, and headphones in his ear.
It was determined that Mersinli entered the school in the same way, passing through the main entrance door at 13.23 and going directly to the first floor.
Here, the moments when Mersinli entered first the men's toilet, then the girls' toilet with the picture file in his hand, and waited for a while in front of the window at the end of the corridor, looked at the phone in his hand at regular intervals, and took out and checked the silver gun in the girls' toilet at 13.25, were also reflected in the security camera footage.
HE ENTERED THE SCHOOL, PREPARED FOR 6 MINUTES
According to security camera records in the school corridors, Mersinli, who entered the school at 13.23, walked around the corridor for a while with a gun in his hand in the girls' toilet and looked at his phone. In the images, it was seen that the corridor was empty at these moments.
While the Mersin resident was waiting in front of the girls' toilet, he first shot at two female students who were advancing towards him in the corridor at 13.29. The attacker then went to the window, put down the gun in his hand, took the black gun from his coat pocket, which he had put there before, and fired towards the staircase entrance, which was at the other end of the school.
The footage showed the moments when "Religious Culture teacher A.T. and School Principal C.K., for whom investigation permission was granted by the district governor's office, and Social Studies teacher M.Ü., for whom investigation permission was not requested, escaped" due to this fire. The moments when Mersinli entered the classroom opposite the girls' toilet at 13.29 were also caught on camera.
CAMERA RECORDING WAS CUT OFF AT 13.30
While the attack was continuing, at 13.30.08, it was recorded that the guidance counselor E.İ., who was seen going down the second floor stairs and looking towards the scene upon gunshots, ran downstairs shouting "Electricity, electricity" at 13.30.17, and turned off the switches on the school's electrical panel at 13.30.28.
For this reason, it was stated in the report that "the portion of the in-school security camera recordings between 13.22 and 13.30.28 could be obtained."
THE INTERNET WAS ACTIVE BEFORE AND DURING THE ATTACK
The HTS investigation report also included findings regarding the phone line starting with 0546, used by the attacker İsa Aras Mersinli and registered in the name of his father Uğur Mersinli.
According to the report, two calls were made on the day of the incident to the other phone line registered in the name of Uğur Mersinli, which was stated to be used by his mother, Peyman Pınar Mersinli. It was recorded that these conversations lasted 193 seconds at 13.10 and 22 seconds at 13.32.
During the investigation, it was determined that the internet connection records of the line starting with 0546 used by the attacker were active on the day of the incident. In fact, it was stated that there were GPRS records for 1108 seconds at 13.14 and 1191 seconds at 13.33.
According to security camera records, it was determined that the Mersin resident, who left his house at 13.14 and started walking towards the school, reached the school at 13.22 and started the attack at 13.29, had an internet connection for a total of 38 minutes and 19 seconds from the moment he left home.
In the report, it was stated that the call and call records of the line in question were not very active and that the calls were mostly made through the phone lines stated to be used by his mother and father. It was recorded that these meetings did not exceed three or four times a day.
HE MADE A SHAKING GAME WITH HIS HAND
In addition, in the statement of the attacker's father, Uğur Mersinli, he stated that he went to the Kahramanmaraş Provincial Police Department Shooting Range with his son on April 13, 2026 and had his son shoot, and the camera records of the shooting range were also examined.
According to the investigation report, İsa Aras Mersinli and his father Uğur Mersinli came to the range by car on April 13, around 14.44-14.45, two days before the attack. Father and son, Police Chief G.K., institution physician G.İ. at the range. and sat for a while with the police officers on duty. Before leaving the area after the shooting at the range, at around 16.14, Mersinli's camera footage showed him making a gun-shaking gesture while looking at his mobile phone.
MARAŞ BOXES ARE IN THE REPORT
In his first statement after the incident, father Uğur Mersinli said, "My guns are kept in the bedroom. All the guns and bullets are in a locked Maraş chest. The magazines are not attached to the guns. When I take the weapons on me, I take the guns and magazines from different chests and go out. The Maraş chests in question are self-locking chests." The Maraş chests were also recorded in the report. The report included photographs of three empty chests.
REQUEST "INTERNET TRAFFIC BEFORE THE ATTACK AND THE ROLE OF OFFICERS AT THE RANGE SHOULD BE INVESTIGATED"
Families who lost their children in the school attack demand that the attacker's internet traffic before the incident, the people he corresponded with on Discord, and the role of the police officers at the police station where he went with his father two days before the attack be investigated in all aspects, and that possible negligence and connections be revealed.
AN INVESTIGATION WAS ALREADY REGARDING THE PEOPLE HE CORRESPONDED TO ON DISCORD.
In the indictment prepared against the mother and father of the attacker İsa Aras Mersinli, it was stated that "Our Chief Public Prosecutor's Office examined İsa Aras Mersinli's retrospective communication records (HTS) within the scope of the investigation, and no determination was made in the communication records that any third party other than İsa Aras Mersinli had instigated, aided or otherwise participated in the incident committed by the perpetrator."
In the indictment, it was stated that during the digital examination, it was determined that Mersinli had shared that he would organize an armed attack on Ayser Çalık Secondary School in his correspondence with some users who accessed from abroad via Discord before the incident. In the indictment, it was noted that the necessary correspondence was made with the relevant judicial units and representatives of social media platforms in order to determine whether the people with whom the perpetrator communicated on social media were trying to participate in the attack in any way. A decision was made to separate the people Mersinli met through social media applications.
