[8][9] On 16 May, after parts of his mutilated body were found by a municipal worker in Ekbatan, Khorramdin's parents were arrested by the police and subsequently confessed to killing their son.
[12] After mutilating their son's body in their bathroom, his remains were put in three handbags and dumped in the garbage bins in phase 3 of Ekbatan, Ariashahr and Maidan Sanat around midnight.
Akbar Khorramdin stated that their motivation for the murder was the victim's mistreatment towards them and his apparently unfounded relationships with students.
[13][14] On 19 May, Khorramdin's parents confessed that they had killed their son-in-law Faramarz and daughter Arezoo in the same way in 2011 and 2018,[15] dismembering them and throwing their bodies in the trash.
Lack of "morality" was the motivation behind killing their son-in-law,[16] while the reason for their daughter's murder was described by them as "alcohol and drug use and affairs with strangers.