reporting a suspicious murder; Who gave the order to kill Mehrjooi and his wife?

Etemad newspaper wrote:

 A year has passed since the night when a famous art couple was killed with multiple stab wounds without a clear motive and the bloodied photo of their body was published on the Internet.

 Manush Manouchehri, lawyer for the parents:

 The second round of the hearings of the court hearings of the accused of the murder of the late Mehrjooi and his wife was held while, according to the decision of the Supreme Court, the investigation was incomplete in three cases;  The first shortcoming was the non-prosecution of the order prohibiting the prosecution of the other three defendants in the case in participating in intentional homicide, which we protested.

 The second flaw was the nature of the cases, which referred to the determination of the degree of participation of each party and their role in intentional assault in armed robbery and suicide, and the third flaw was my request that the defendants did not have sufficient motivation for the crime, so they must  There is another order that these four defendants were only executors of that order.