What Discovery Questions to Ask in a Child Custody Case?

The discovery questions to ask in a child custody case are the ones that force the other parent to document, in writing and under oath, how they actually care for the child, how they handle conflict, how stable their life is, and how their finances look. You have four main tools: written interrogatories, requests for production of documents, depositions, and requests for admission. Each one has a limited budget of questions or hours, so every item you send needs to tie directly to a “best interests” factor you plan to argue at trial.

Custody is decided under a best-interests standard, which means the judge is weighing each parent’s fitness, involvement, stability, and willingness to co-parent. Discovery exists to put facts behind those arguments. You can request anything relevant and not privileged, but requests have to be proportional to what’s at stake; judges shut down discovery that’s cumulative, invasive for no reason, or clearly meant to harass. Rules vary by state, though most track the federal model closely enough that the categories below apply broadly. Check your local rules for the specific caps and deadlines.

Interrogatories to Send the Other Parent

Interrogatories are written questions the other parent answers under oath, usually within 30 days. The federal cap is 25 questions including subparts, and many states adopt the same limit.1Legal Information Institute. Federal Rules of Civil Procedure Rule 33 – Interrogatories to Parties With that budget, vague questions waste slots. Concrete ones pin the other parent to a version of events they’ll have to defend at trial.

Daily Caregiving

These establish who really does the work:

  • “Describe the child’s typical weekday routine from waking up through arriving at school, including who prepares meals, gets the child dressed, and handles drop-off.”
  • “Identify every person who has provided childcare for the child in the past two years, including their name, address, and the dates and times care was provided.”
  • “Describe who typically supervises homework, prepares dinner, and puts the child to bed on weeknights.”
  • “Identify all persons currently residing in your home, including their name, age, and relationship to you and the child.”

Discipline and Conflict

Judges pay close attention to how each parent handles behavior and disagreement:

  • “Describe your methods of discipline for the child, including what behaviors you consider to warrant discipline, the specific actions you take, and how frequently you use each method.”
  • “State whether you have ever used physical discipline on the child. If so, describe the circumstances, the nature of the discipline, and how often it occurred.”
  • “Describe how you handle disagreements with the other parent about parenting decisions, including any specific disputes in the past 12 months.”

Health and Special Needs

A parent who can’t name the child’s doctor or describe their medication regimen has a credibility problem at trial:

  • “Identify every medical, dental, psychological, or counseling professional who has treated the child in the past three years, including their name, address, dates of treatment, and the reason for treatment.”
  • “State whether the child currently takes any medication. If so, identify the medication, dosage, frequency, reason, and prescribing physician.”
  • “Describe any special medical, educational, psychological, or emotional needs the child has, and explain what steps you have taken to address each one.”

School and Activities

  • “Identify the child’s current school, grade, and teacher. State how many parent-teacher conferences you have attended in the past two school years.”
  • “List all extracurricular activities the child participates in, and for each one, state who enrolled the child, who transports the child, and who attends the events.”
  • “Describe your role in helping the child with homework, including how often you assist and what subjects you help with.”

Documents to Request

A request for production compels the other parent to hand over specific documents, electronically stored information, or tangible items. Each category must be described with “reasonable particularity,” and responses are generally due within 30 days.2Legal Information Institute. Federal Rules of Civil Procedure Rule 34 – Producing Documents, Electronically Stored Information, and Tangible Things Broad, fishing-expedition requests draw objections and sometimes get struck, so specificity matters.

Records About the Child

  • School records: report cards, attendance records, disciplinary reports, and individualized education plans (IEPs) for the past three years.
  • Medical records: vaccination records, pediatrician visit summaries, dental records, and records from any therapist or counselor who has treated the child.
  • Pharmacy records showing medications prescribed to the child in the past two years.

Financial Records

Financial discovery matters because child support calculations depend on accurate income data, and financial stability feeds into the court’s view of each home:

  • Federal and state tax returns, including W-2s and 1099s, for the past two to three years.
  • The most recent three months of pay stubs from every employer.
  • Twelve months of bank statements, credit card statements, and records from payment apps.
  • Documents showing monthly housing costs, insurance, childcare expenses, and the child’s medical bills.

Many states already require mandatory financial disclosure early in a family case, meaning both parents swap core financial documents without being asked. If that applies in your jurisdiction, use document requests to fill the gaps or target records that were conveniently omitted.

Communications

Text messages, emails, and social media posts carry some of the most revealing evidence in custody cases:

  • Printouts or exports of text messages and emails between the parents for the past 12 months relating to the child’s care, scheduling, or co-parenting disputes.
  • Screenshots or archived posts from social media accounts that reference the child, parenting activities, or the other parent.
  • Records from any communication or co-parenting app used by the parties.

Deposition Questions That Work

A deposition puts the other parent in a chair, under oath, with a court reporter recording every word. Unlike interrogatories, where answers are drafted with an attorney’s help, depositions capture unscripted responses and let you follow up in real time. Federal rules cap a deposition at one day of seven hours and allow each side up to ten depositions.3U.S. Court of International Trade. Federal Rules of Civil Procedure Rule 30 – Depositions by Oral Examination State rules vary but tend to look similar.

Does the Parent Actually Know the Child?

These sound simple, which is the point. A parent who handles the day-to-day work answers without thinking; a parent who shows up every other weekend stumbles.

  • “What is your child’s teacher’s name? What grade are they in? How are they doing academically?”
  • “Who is your child’s pediatrician? When was the last visit, and what was it for?”
  • “Name your child’s three closest friends.”
  • “What extracurricular activities is your child involved in? Who signed them up, and who takes them?”
  • “Does your child take any medication? What is it, what’s the dosage, and who administers it?”

Co-Parenting and Conflict

Courts favor parents who support the child’s relationship with the other parent. These questions test for that:

  • “Describe how you and the other parent communicate about scheduling, school, and medical decisions.”
  • “Have you ever prevented or discouraged the child from spending time with the other parent? Describe the circumstances.”
  • “How do you speak about the other parent when the child is present?”
  • “If the court awarded primary custody to the other parent, how would you support that arrangement?”

Stability and Lifestyle

  • “Describe your current work schedule, including any travel, overtime, or irregular hours.”
  • “Who would care for the child during your working hours?”
  • “Have you used any illegal substances in the past five years? Describe the substance, frequency, and dates.”
  • “Have you been arrested or charged with any crime? If so, describe the charges and outcome.”
  • “Describe your current living arrangement, including the number of bedrooms and where the child sleeps.”

Requests for Admission That Lock Down the Facts

Requests for admission ask the other parent to admit or deny specific factual statements under oath. Anything admitted no longer has to be proven at trial, which narrows the dispute.4Legal Information Institute. Federal Rules of Civil Procedure Rule 36 – Requests for Admission If the other parent fails to respond within 30 days, the facts are automatically deemed admitted.5Northern District of Illinois. Federal Rules of Civil Procedure Rule 36 – Requests for Admission That consequence alone catches parents who ignore discovery.

Target facts that are hard to deny honestly, or that help you if denied:

  • “Admit that the child has lived primarily at [address] since [date].”
  • “Admit that you did not attend any parent-teacher conferences during the 2024-2025 school year.”
  • “Admit that you work a schedule that requires you to be away from the home between 7:00 a.m. and 7:00 p.m. on weekdays.”
  • “Admit that [name] currently resides in your household.”
  • “Admit that you have not taken the child to a medical appointment in the past 12 months.”
  • “Admit that the child is currently enrolled in [specific school].”

If the other parent denies something you can later prove, you can ask the court to make them pay the cost of proving it.

Subpoenas for Third-Party Records

Much of the strongest custody evidence sits outside the other parent’s hands. Schools, doctors, therapists, employers, and daycare providers hold records that independently verify or contradict what the other parent claims. A subpoena compels a non-party to produce documents or appear for testimony.6Legal Information Institute. Federal Rules of Civil Procedure Rule 45 – Subpoena

  • Schools: attendance records, report cards, disciplinary files, and records of which parent is listed as the emergency contact or attends conferences.
  • Medical providers: treatment records, therapy notes, vaccination history, and appointment logs showing which parent brought the child.
  • Employers: work schedules, pay records, and attendance data that confirm or contradict a parent’s claimed availability.
  • Therapists and counselors: session records, subject to privilege protections discussed below.

Before serving a third-party subpoena, you must give notice and a copy to the other parent.6Legal Information Institute. Federal Rules of Civil Procedure Rule 45 – Subpoena The recipient can object in writing within 14 days, and the court will quash a subpoena that demands privileged material or imposes an undue burden. Service also requires a witness fee for one day’s attendance and mileage, which is usually handled by a professional process server.

Social Media and Digital Evidence

A single photo of heavy drinking on a night the parent claimed to be watching the child, or a text thread full of hostile comments about the other parent, can move a judge quickly. Formal discovery can target exports of social media data, text logs, and email correspondence relating to the child or co-parenting.

How you obtain this evidence matters. Screenshotting public posts, or posts shared directly with you, is fine. Logging into someone else’s account without permission is a federal crime. The Computer Fraud and Abuse Act makes it illegal to intentionally access a computer or account without authorization, with penalties of up to one year in prison for a first offense and up to five years if the access furthered another wrongful act.7Office of the Law Revision Counsel. 18 USC 1030 – Fraud and Related Activity in Connection With Computers The Stored Communications Act separately criminalizes unauthorized access to stored electronic communications like emails and private messages, with similar penalties.8Office of the Law Revision Counsel. 18 USC 2701 – Unlawful Access to Stored Communications

Beyond the criminal exposure, evidence obtained through hacking will almost certainly be excluded and can trigger sanctions against the party who obtained it. Request digital records through formal discovery instead. If the other parent objects, the court can issue a protective order narrowing the scope.

What You Can’t Reach

Discovery is broad but has boundaries. Some categories are shielded by privilege, and the other parent can refuse to produce them:

  • Attorney-client communications: anything the other parent discusses with their attorney about strategy, legal advice, or case preparation is protected. The privilege can be waived if those communications are shared with a third party.
  • Therapist-patient records: generally privileged. In custody cases, some states hold that filing for custody automatically waives the mental health privilege for records relevant to parenting fitness; others require a showing that mental health is specifically at issue. When records are disputed, many courts review them privately before deciding what to release.
  • Work product: documents prepared by an attorney in anticipation of litigation, including research, strategy memos, and notes from consulting experts who won’t testify.

If you receive a discovery request that touches a privilege, the proper response is a written objection specifying the privilege and the material withheld. Ignoring the request is not the same as objecting.

Deadlines and What Happens If the Other Parent Stonewalls

The standard response window for interrogatories and document requests is 30 days from service. The same clock runs for requests for admission, with the added consequence that unanswered requests are deemed admitted.4Legal Information Institute. Federal Rules of Civil Procedure Rule 36 – Requests for Admission State rules may shift the timing, but the principle holds: you cannot ignore discovery and hope it goes away.

When the other parent refuses to respond, gives evasive answers, or objects without explaining why, you can file a motion to compel. If the court grants it, the non-compliant parent typically pays the attorney fees you incurred in bringing the motion.9Legal Information Institute. Federal Rules of Civil Procedure Rule 37 – Failure to Make Disclosures or to Cooperate in Discovery; Sanctions If they still refuse after being ordered to comply, the sanctions escalate. The court can:

  • Treat disputed facts as established against the non-compliant parent.
  • Bar that parent from introducing certain evidence or raising specific defenses at trial.
  • Strike pleadings, dismiss claims, or enter a default judgment.
  • Hold the parent in contempt.

In custody, where credibility and cooperation are already on trial, discovery sanctions send exactly the wrong signal to the judge.

Making the Answers Count

The biggest mistake in custody discovery is treating it as a checkbox exercise, firing off generic questions from a template without thinking about what you actually need to prove. Every interrogatory, document request, and deposition question should connect to a specific best-interests factor you plan to argue. If your case is that the other parent is uninvolved in school, your discovery targets attendance records, conference sign-in sheets, and questions about teachers and grades. If stability is the issue, you need employment records, housing history, and detail about the living situation.

What you do with the answers matters just as much. Inconsistencies between written responses and deposition testimony are powerful at trial. Documents that contradict sworn statements can shift a case. Discovery feels tedious compared to a courtroom hearing, but experienced family law attorneys know most custody cases are won or lost well before anyone takes the witness stand.