Disparagement. This is something that unfortunately takes place in many custody cases. Talking poorly about your child's other parent in front of them or to them can be harmful to the child and detrimental to their relationship with that other parent.  It can also lead to parental alienation and the court does not take it lightly. If you are on the other side it can frustrating, depressing, and infuriating.  Read on for things you can do to deal with this.