Story highlights In the murder trial of James Holmes, 12 jurors and 12 alternates have been selected

The mostly middle-aged group includes 19 women and five men

Jury selection started in January; opening statements are scheduled to begin on April 27

Centennial, Colorado (CNN) After months of intensive questioning, a jury has finally been picked for the trial of Colorado movie theater massacre suspect James Holmes.

Twelve jurors and twelve alternates are on the list. The group includes 19 women and five men. It's almost entirely white and mostly middle-aged.

It's a key step in the case, and it's been a long time coming. Jury selection started in January with 9,000 potential jurors. But the legal wrangling is the case is just revving up.

Holmes' defense attorneys asked for a change of venue after the jury was seated Tuesday. The judge denied their request, noting that a jury had already been seated.

Opening statements in the trial are scheduled to begin on April 27.

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