Witness

A witness is a person with potentially relevant knowledge or evidence about an event. In a police record, the label can identify someone interviewed or identified as an information source. In court, it commonly refers to someone called to give testimony. Being a witness does not mean the person observed every part of the event or that every statement has been verified.

Knowledge has a source and a scope

A person may have seen a particular action, heard a sound, reviewed a relevant record, or supplied other information. The account should show what the person actually knows and how that knowledge was obtained. Presence nearby does not establish a complete view.

The U.S. Attorney's Office for New Jersey describes a witness as someone with information or evidence who provides knowledge to law enforcement. The U.S. Courts glossary uses the courtroom meaning: a person called to give testimony. These definitions concern related stages rather than identical roles in every document. Federal victim-witness handbook, U.S. Courts glossary

A dispatch narrative can summarize an account in abbreviated form. A later statement or supplemental report may clarify the person's vantage point, uncertainty, or additional observations.

Example

Hypothetical example: A shop employee hears a crash outside, then sees a damaged sign and a car leaving the area. The employee did not see the impact. An officer records those observations and lists the employee as a witness.

The witness can describe the sound, aftermath, and departing car. The account alone does not establish that the employee saw the car strike the sign or knew who was driving. Preserving that boundary makes the report more accurate without dismissing the useful information supplied.

Common confusion

A reporting party is the person who communicates the request. That person may relay someone else's account. A victim is recorded as harmed in the relevant context. A person can be both victim and witness, but one role does not automatically establish the other.

A witness is also not necessarily a suspect. Being interviewed or listed in a report does not establish alleged wrongdoing. A police interview is different from sworn testimony in a court proceeding.

Reading witness records

Look for attribution, the time of observation, the time of the statement, and any qualifications. Multiple accounts do not necessarily describe independent observations; people can repeat information from the same source. For counting, distinguish statements, witness records, and unique people. One person can supply several statements or appear in more than one related report.

Related terms

• Reporting party
• Victim
• Suspect
• Supplemental report

Sources

• U.S. Attorney's Office, District of New Jersey — Victims and Witnesses Handbook: investigative witness terminology.
• U.S. Courts — Glossary of Legal Terms, “Witness” and “Testimony”: courtroom role distinguished from an initial information source.