A guardian ad litem can independently investigate a child’s or incapacitated adult’s situation, interview the people around them, access records that would otherwise be confidential, visit the home, and file a written report recommending what outcome serves that person’s best interests. What a guardian ad litem cannot do is decide the case. The judge does that. The GAL is an investigator and advisor to the court, and their authority is defined, and bounded, by the appointment order the judge signs.
Where a GAL’s Authority Comes From
A GAL only has power because a court gave it to them. The appointment order spells out what the GAL is authorized to look into, which records they can access, and what questions they’re expected to answer. Everything a GAL does flows from that order.
The settings are familiar ones. Contested custody cases, where either parent can request a GAL or a judge can order one without being asked. Child abuse and neglect proceedings, where appointment isn’t optional: under the Child Abuse Prevention and Treatment Act, every state receiving CAPTA grants must appoint a trained guardian ad litem or court-appointed special advocate in every judicial proceeding involving a child victim of abuse or neglect.1Office of the Law Revision Counsel. 42 USC 5106a – Grants to States for Child Abuse or Neglect Prevention and Treatment Programs Probate matters where a minor has a stake in an estate and no existing guardian can represent them without a conflict. Adult guardianship and conservatorship cases, where the GAL evaluates whether a guardian is truly needed and whether the proposed one is appropriate.
What a Guardian ad Litem Can Investigate
Investigation is the core of the job. Once appointed, a GAL functions as the court’s own fact-finder, gathering information the judge wouldn’t otherwise see.
Interviews
A GAL interviews the child first, in an age-appropriate setting where the child can speak freely. From there the circle widens. Both parents. Stepparents. Anyone with a significant presence in the child’s daily life, and then people who see the child regularly from the outside:
- Teachers and school counselors who observe academic performance and social behavior
- Childcare providers who see the child during non-school hours
- Doctors and therapists involved in physical or mental health
- Coaches, mentors, or family friends with meaningful contact
These collateral interviews often surface patterns neither parent would volunteer. A teacher noting that a child is consistently exhausted on Monday mornings. A pediatrician flagging missed appointments that line up with one parent’s custody time.
Records and Documents
GALs have court-backed authority to pull records that would normally be confidential: school files, medical histories, and reports from child protective services. More sensitive material, like a therapist’s psychotherapy notes, often requires an additional court order because of health privacy protections. The access isn’t a blanket pass. The appointment order defines the scope, and a judge can expand or narrow it.
Home Visits
Home visits let a GAL see how a child actually lives rather than how a parent describes it. Visits can be scheduled or unannounced. The GAL looks at practical things: a dedicated sleeping space, basic cleanliness and safety, food in the kitchen, and the texture of how parent and child interact in their own environment. A tense, scripted interaction reads differently than a relaxed one.
Reports and Recommendations
After the investigation, the GAL files a written report. Interview summaries, document findings, home visit observations, and the GAL’s own assessment of the circumstances all come together there. In many jurisdictions the report is filed under seal or with restricted access because of the sensitive personal information it contains.
The recommendation section is the piece with the most consequence. The GAL proposes specific outcomes: which parent should have primary custody, what visitation should look like, whether a parent needs substance abuse treatment or parenting classes, whether visits should be supervised. Those recommendations carry weight because the GAL is the only person in the case who has independently investigated everyone involved.
When a recommendation conflicts with what the child has expressed, the GAL is expected to tell the court both: what the GAL believes is in the child’s best interest, and what the child said they want. Judges weigh both, especially with older children whose preferences are a formal factor in custody decisions.
What a GAL Can Do in Court
The job doesn’t end when the report is filed. A GAL participates in hearings and can be called to testify about the investigation, the findings, and the reasoning behind the recommendations. When that happens, both parents’ attorneys have the right to cross-examine, testing how thorough the work was and whether the conclusions hold up. That adversarial testing is a real check on GAL authority. A recommendation that can’t survive cross-examination won’t carry the same weight.
In many jurisdictions an attorney GAL has broader courtroom powers. They can file motions, introduce exhibits, and question other witnesses. That makes the GAL a genuine third voice in the case, separate from either parent’s attorney, focused only on the child’s welfare.
What a GAL Cannot Do
The limits matter as much as the powers.
A GAL does not decide the case. The report is evidence for the court to consider alongside testimony, exhibits, and the rest of the record. Judges often follow GAL recommendations, but they aren’t required to, and sometimes they don’t.
A GAL cannot step outside the role the appointment order defines. The GAL is an investigator and evaluator, not a therapist, mediator, or counselor. Taking on any of those roles would conflict with the duty to report findings to the court. If a child confides something to a GAL during what the child believes is a therapy session, that creates serious problems. The roles have to stay separate.
Scope is a hard boundary too. A GAL appointed to evaluate custody generally can’t start digging into a parent’s business finances unless the court expands the appointment. If something comes up mid-investigation that falls outside the original order, the GAL has to go back to the judge and ask for broader authority.
Attorney GALs and CASA Volunteers Have Different Powers
Not every GAL is a lawyer, and the type affects what the person can actually do.
Attorney GALs are licensed lawyers. They can file motions, subpoena records, call witnesses, and otherwise operate as attorneys in court. They are more common in private custody disputes and complex cases where legal maneuvering matters.
Court Appointed Special Advocates serve as GALs primarily in abuse and neglect cases. They aren’t lawyers, but they go through rigorous screening and more than 30 hours of initial training, plus ongoing continuing education each year.2National Court Appointed Special Advocate/Guardian ad Litem Association for Children. The CASA/GAL Model CASA volunteers typically carry only one or two children or sibling groups at a time, which lets them stay involved from appointment through permanency. An attorney juggling dozens of cases rarely sustains that depth of attention.
The difference also shapes what the GAL advocates for. A traditional attorney representing a child is generally expected to argue what the child says they want. A CASA volunteer or best-interest GAL focuses on best interests, which may diverge from the child’s stated wishes. Some jurisdictions appoint both in the same case, each filling a different role.
Working With a GAL and Challenging Their Findings
If a GAL is appointed in your case, every interaction is effectively part of the investigation. There is no off the record. How you answer the phone, how promptly you return messages, whether you cooperate or get defensive — all of it feeds the assessment.
Straightforward cooperation works best. Respond to calls and scheduling requests promptly. Hand over relevant documents early, including written communications and school records. Offer a list of people who can speak to your parenting without waiting to be asked. Proactive transparency reads as confidence.
The common mistake is treating the GAL as a complaint hotline. Genuine concerns should be reported. Calling every time the other parent is ten minutes late for pickup, or forwarding every mildly rude text, erodes credibility and signals that scoring points matters more than the child’s daily life. When in doubt, check with your attorney first.
An unfavorable report isn’t the end of the road. Frontal attacks on a GAL’s integrity rarely work; accusing the GAL of bias without strong evidence tends to backfire with the judge who appointed them. Attacks on the substance of the report work better. Cross-examination can expose gaps: skipped interviews with key witnesses, reliance on outdated records, conclusions that contradict the documents. If the report says your child is struggling in school and the latest report card shows honor roll grades, that’s a factual error you can prove with an exhibit. Third-party witnesses who contradict specific claims are another tool.
Removal is possible but hard. Courts will consider replacing a GAL when there’s a genuine conflict of interest, a pattern of failing to perform required duties, or conduct that undermines confidence in the GAL’s neutrality. Disagreeing with the conclusion isn’t enough. You have to show the process itself was flawed.
Immunity and Accountability
Most jurisdictions shield GALs with quasi-judicial immunity, meaning they generally can’t be sued for actions taken within the scope of their court-appointed duties. The reasoning is that a GAL needs to investigate honestly and recommend freely without fearing a lawsuit from a displeased parent. Federal appellate courts across multiple circuits have recognized this protection, and numerous state supreme courts have reached the same conclusion.
The protection isn’t absolute everywhere. In 2024, the Pennsylvania Supreme Court held that a GAL acting as a lawyer in a child dependency case is not immune from a legal malpractice claim, reasoning that children deserve competent legal representation and recourse when they don’t receive it. The line often turns on which role the GAL was performing: acting as the court’s investigator and reporter tends to be protected, while acting as the child’s attorney may carry the same professional accountability as any other lawyer-client relationship.
In practice, if you believe a GAL has acted incompetently or with bias, the realistic remedy is raising it with the judge who appointed them, through cross-examination or a motion to remove. Suing after the fact is difficult in most jurisdictions and expensive even where the law allows it.