Testify at hearings or court trials to present evidence.

“Testify at hearings or court trials to present evidence.” is a core task performed by Private Detectives and Investigators. Among the occupation's 17 rated tasks, workers place it 11th by importance (#7 most important). About 90% of workers say it is relevant to their job.

This is a single occupation-specific task statement from O*NET. The figures below describe how central the task is to the job and what independent studies measure about AI and this kind of work — not a prediction that the task will be automated.

Work activities this task rolls up to

O*NET groups concrete tasks into broader work activities shared across many occupations.

• Present information in legal proceedings. in Communicating with People Outside the Organization

AI exposure

The OpenAI / Eloundou “GPTs are GPTs” study rates this task E0. No direct exposure — current language models give little or no time savings on this task.

Exposure measures whether a model could meaningfully speed the task up — it is an estimate of overlap with model capabilities, not a measure of whether the work will be done by software. The study's intermediate score (β) for this task is 0.00. Automation potential label: T1.

Other tasks in this occupation

• Write reports or case summaries to document investigations. · importance 4.8
• Conduct private investigations on a paid basis. · importance 4.5
• Search computer databases, credit reports, public records, tax or legal filings, or other resources to locate persons or to compile information for investigations. · importance 4.4
• Expose fraudulent insurance claims or stolen funds. · importance 4.4
• Conduct personal background investigations, such as pre-employment checks, to obtain information about an individual's character, financial status, or personal history. · importance 4.4
• Obtain and analyze information on suspects, crimes, or disturbances to solve cases, to identify criminal activity, or to gather information for court cases. · importance 4.3
• Question persons to obtain evidence for cases of divorce, child custody, or missing persons or information about individuals' character or financial status. · importance 4.3
• Observe and document activities of individuals to detect unlawful acts or to obtain evidence for cases, using binoculars and still or video cameras. · importance 4.3
• Investigate companies' financial standings, or locate funds stolen by embezzlers, using accounting skills. · importance 4.0
• Perform undercover operations, such as evaluating the performance or honesty of employees by posing as customers or employees. · importance 3.9
• Alert appropriate personnel to suspects' locations. · importance 3.8
• Count cash and review transactions, sales checks, or register tapes to verify amounts or to identify shortages. · importance 3.7
• Confer with establishment officials, security departments, police, or postal officials to identify problems, provide information, or receive instructions. · importance 3.6
• Apprehend suspects and release them to law enforcement authorities or security personnel.

See all tasks on the Private Detectives and Investigators page.

Sources for this page

Every figure above traces to a named public dataset and the exact release below — not hand-written opinion. See the full methodology for what each measure does and does not mean.

• O*NET 30.3 U.S. Department of Labor / National Center for O*NET Development
• “GPTs are GPTs” (Eloundou et al.) arXiv 2303.10130 OpenAI / academic

Data compiled June 2, 2026. Figures are estimates, not advice.

@misc{singulariki-task-13100,
  title  = {Testify at hearings or court trials to present evidence.},
  author = {{Singulariki}},
  year   = {2026},
  note   = {O*NET 30.3; “GPTs are GPTs” (Eloundou et al.) arXiv 2303.10130. Accessed June 7, 2026},
  url    = {https://singulariki.com/tasks/task-13100}
}