The trial started Monday for the Massachusetts woman accused of killing her pregnant friend, cutting open her abdomen and stealing her unborn child.

Julie Corey, 39, faces charges she murdered 23-year-old Darlene Hayes in 2009, then stole Hayes’ baby and presented it to family members as her own, according to the Associated Press.

Corey has been waiting for trial in a Massachusetts state prison for about five years, reports MassLive. The baby, who survived, is 4 years old, AP reports.

MassLive reports it expects the trial to last two to three weeks. Find live coverage of the trial starting daily about 9 a.m.