The Crown's case against a Millet mother accused of killing her two young sons wrapped up in a Wetaskiwin courtroom Thursday.

Allyson McConnell, 33, is charged with second-degree murder in the deaths on Feb.1, 2010, of her sons, 10-month-old Jayden and two-year-old Connor.

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Curtis and Allyson McConnell with sons Connor and Jayden in an undated photo. (Facebook)

The boys' father, Curtis McConnell, found their bodies in the bathtub in their Millet home, 40 kilometres south of Edmonton.

The couple were going through bitter divorce proceedings and a custody battle at the time.

"We have a certain detachment professionally, but every night I go home and I see my boy," said Crown attorney Gordon Hatch outside the courtroom. "And ... I can't imagine what Curtis felt and I don't want to even try. It's a terrible thing to have seen, witnessed, his children ..."

The case for the defence will begin on Monday. Alysson McConnell is expected to testify on her own behalf.