According to information provided by his brother, Arsen left the building of secondary school No. 22 around 1:09 PM that same day, and his whereabouts have been unknown since then. A missing person report has been registered in the automated information system of the Lenin District Internal Affairs Department.

A minor with Down syndrome is being sought in Bishkek.
Physical description: height about 155–160 cm, average build, light brown hair.
At the time of his disappearance, he was wearing a green jacket, black pants, and black boots. He had a gray backpack with him.