An Illinois woman accused of killing her 2-year-old son last week was ordered to be held in jail during a court appearance Tuesday morning as she faces three counts of first-degree murder.

The woman reportedly told police that she believed her child was ‘the devil’ or ‘the anti-Christ’

An Illinois mother had become “very invested” in the high-profile Lindsay Clancy murder trial before prosecutors say she killed her 2-year-old son on Tuesday, according to…