Jennifer Crumbley is charged with involuntary manslaughter after her son, Ethan Crumbley, killed four students at a Michigan high school. Attorney Mark O’Mara says he was surprised that the prosecutors weren’t more effective during their cross examination and says they missed opportunities.Jennifer Crumbley is charged with involuntary manslaughter after her son, Ethan Crumbley, killed four students at a Michigan high school. Attorney Mark O’Mara says he was surprised that the prosecutors weren’t more effective during their cross examination and says they missed opportunities.
Hear what surprised attorney during Jennifer Crumbley’s trial
