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Common Custody Mistakes Chicago Parents Make and How to Avoid Them

Apr 6, 2026 | Video Transcripts

Going through a custody dispute in Chicago is one of the most emotionally and legally complex experiences a parent can face. Illinois courts apply the “best interest of the child” standard, meaning judges and guardian ad litems evaluate how each parent actually behaves, not just the arguments made in court. Small, preventable mistakes made during the divorce or custody process can have lasting consequences on parenting time and the parent-child relationship for years to come.

At KHK Family Law & Divorce Attorneys, Attorney Matthew Katz brings over 20 years of family law experience and a Master’s in Social Work from the University of Chicago to help Chicago families navigate these high-stakes proceedings with both legal precision and psychological insight. Here is a breakdown of the most common mistakes and how to avoid them.

Talking Negatively About Your Co-Parent in Front of Your Children

One of the most damaging things a parent can do during a custody case is speak disparagingly about the other parent within earshot of their children. Illinois law presumes that the maximum involvement of both parents in a child’s life is in the child’s best interest, and courts place enormous weight on each parent’s willingness to foster that relationship.

When a judge or guardian ad litem learns that a parent has been badmouthing their co-parent to the children, that behavior reflects poorly on their emotional fitness and their ability to put the child’s needs first. The remedy is straightforward: keep adult conflict away from your children and process difficult emotions with a therapist, not your child.

Leaving a Paper Trail of Hostile Communications

Apps like Our Family Wizard are frequently used in Illinois custody cases as a way to document co-parenting communication. Every message sent through these platforms can be reviewed by guardian ad litems, opposing counsel, and the court itself.

Aggressive, dismissive, or manipulative messages create a documented record that can be introduced in court to demonstrate poor communication skills and an inability to co-parent effectively. Before sending any message to your co-parent, ask yourself whether you would be comfortable with a judge reading it aloud in court.

Choosing the Wrong Location for Custody Exchanges

Conducting parenting time exchanges in public places such as libraries or police stations serves two purposes: it often deters problematic behavior, and if your co-parent does act inappropriately, you now have potential witnesses who can corroborate your account in court.

When feasible, document exchanges through timestamped notes or photos immediately following the encounter. Contemporaneous records are far more compelling in court than memory alone.

Missing or Canceling Court-Ordered Parenting Time

Failing to appear for court-ordered parenting time is one of the most counterproductive things a parent can do. Illinois courts view habitual no-shows, late arrivals, and last-minute cancellations as a form of parental negligence that signals a lack of commitment to the parent-child relationship.

If legitimate circumstances arise that make it impossible to exercise parenting time, notify your co-parent and attorney as early as possible and document the reason. Consistency and reliability are among the most concrete ways to demonstrate your commitment to your child.

Using Your Children as Leverage in the Dispute

Courts are acutely sensitive to situations where a parent uses their child as a pawn in the divorce or custody process. This can include questioning children about the other parent’s home, sharing adult details of the case with them, or withholding parenting time as punishment. Guardian ad litems are trained to identify this dynamic, and it raises serious concerns about the offending parent’s emotional maturity.

The foundation of a strong custody position is demonstrating that you consistently make decisions based on what is best for your child, not what feels satisfying in the moment.

Underestimating the Importance of Attachment

Decades of research in attachment theory demonstrate that the estrangement of a parent and child causes emotional harm that can persist for years into adulthood. Attorney Matthew Katz’s background in social work from the University of Chicago gives KHK Family Law & Divorce Attorneys a distinctive perspective on how attachment theory intersects with custody law in Illinois.

How KHK Family Law & Divorce Attorneys Can Help

KHK Family Law & Divorce Attorneys is built on a foundation that unites scholarship, mental health, and family law advocacy. With over 70 years of combined experience, professional training in psychology and business, and bilingual staff fluent in English and Spanish, our Chicago firm is equipped to serve families at every level of complexity.

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