A trial is underway in Massachusetts for a mother accused of killing her children. The defendant's mental health is a key aspect of the case. Her attorney claims she was not responsible for her actions due to severe mental illness.

The prosecution has finished presenting its evidence, which included testimony from numerous witnesses. The defendant's actions are not in dispute, but her culpability is a point of contention.

Further information about the case is available from the source, including details about the defendant's treatment and the prosecution's argument. The case is being closely followed, with the defense arguing for consideration of the defendant's mental state at the time of the incident.