(CNN) The mother of 9-year-old Tyshawn Lee said she had waited years for this moment.

Dwright Doty, 22, who was convicted of first-degree murder for luring the boy from a park into the alley and shooting him point-blank in the head, was sentenced to 90 years in prison and three years of supervision, according to the Cook County State's Attorney.

Corey Morgan, 31, who prosecutors said ordered the hit -- believing the gang that Tyshawn's father belonged to was behind the killing of Morgan's brother -- was sentenced to 65 years in prison with three years of supervision, the prosecutor's office said.

Neither defendant addressed the court. The sentences provide no chance for parole, prosecutors said.

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