The 12-person jury came back with their decision about the 32-year-old man's fate after hearing three days of testimony last week about Drommond murdering his former wife Janeil, on Aug. 28, 2005.
Following the verdict, Drommond's attorney Craig Peterson said that the verdict was not unexpected, but added his client was disappointed.
He said he'd hoped his client would get mental health treatment in prison and eventually have the chance to be paroled.
Drommond pleaded guilty in December. In exchange for the plea the death penalty was eliminated as an option. However, the jury could have opted for a sentence of 20-years-to-life in prison with the possibility of parole.
Drommond killed Janeil at his condominium as she was dropping their children off for a visit.
She was shot twice, once in the arm and torso, which ripped through her lung, heart, liver and spleen, and the second through the head.
Drommond also shot Janeil's father Neil Reed Bradley, who had gone with her that day. When his daughter was shot, Bradley raced to her aid.
On Thursday, the final day of testimony, much of it centered on Drommond's mental health. Drommond was diagnosed with bipolar disorder in May 2005.
Peterson said that his client should be given the opportunity for parole, because strides may be made in treating mental illness which make him able to return to society.
In referring to a defense request that the jury show Drommond mercy and hope, Prosecutor Mike DiReda said those were qualities Drommond had been unwilling to extend to others, adding there was no guarantee that Drommond would take the prescribed medications.
As for the idea that with medication, Drommond could function after being paroled, Prosecutor William McGuire said Janeil "will not be able to see her children graduate from college. She will not be able to see her grandchildren. That was all taken away from her."