1.4 Court Testimony, Preparation & Courtroom Demeanor

Court Testimony, Preparation & Courtroom Demeanor

Sub-topic II.G Court Testimony (4 required hours) closes Unit II, Basic Law. POST weights it equally with Legal Liability and at twice the hours of Evidence, because the officer is the state's principal witness in nearly every case they generate and because a credibility failure in Colorado is not a bad day — it is a decertification event under C.R.S. 24-31-305(2.5).

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1. Before the Courtroom: Subpoenas and Preparation

Subpoena handling. A subpoena is a court order. An officer who is served and does not appear risks contempt, a bench warrant, and case dismissal. Conflicts (training, leave, another subpoena) are resolved through the deputy district attorney or the agency court liaison, never by ignoring the subpoena.

Preparation is a checklist, not a hope:

1. Re-read the entire report, all supplements, and every witness statement.
2. Re-watch all body-worn camera and dash camera footage in real time, not scrubbed.
3. Re-read your field notes and reconcile every discrepancy with the report before the hearing.
4. Confirm evidence chain entries and any lab reports.
5. Meet with the prosecuting deputy DA; disclose every problem in the case, including your own errors. The DA cannot manage a Brady problem they do not know about.
6. Verify your training and certification records if you will testify about SFSTs, radar, drug identification or use of force.

Discoverability. Under Crim. P. 16 the prosecution must disclose reports, notes, recordings, and impeachment material. Field notes and rough drafts are discoverable. Destroying them after writing the report is an evidence-destruction and credibility problem, not a housekeeping practice.

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2. On the Stand: Direct Examination

Direct examination is the officer's narrative, built by non-leading questions. The goal is a clear, chronological, jury-comprehensible account of what the officer perceived.

Refreshing recollection under CRE 612 is a formal process: the witness states that their memory is exhausted, is handed the document, reads it silently, sets it down, and testifies from restored memory. The document itself does not come into evidence, and the defense is entitled to inspect it.

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3. Cross-Examination: The Predictable Attacks

The cardinal rule is answer only the question asked. Volunteering opens doors. The second rule is do not fight the lawyer — a defensive, argumentative, or sarcastic officer loses the jury regardless of the facts.

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4. Colorado's Credibility Machinery

Colorado has built an unusually hard-edged statutory structure around officer truthfulness. Three provisions interlock:

+---------------------------------------------------------------------------+
| 1. C.R.S. 24-31-305(2.5)  UNTRUTHFULNESS -> MANDATORY POST REVOCATION      |
|    Employing agency finds by CLEAR AND CONVINCING evidence that the        |
|    officer knowingly made an untruthful statement about a material fact,   |
|    or knowingly omitted a material fact, in an official record, in         |
|    testimony, or in an investigation -> POST *shall* revoke certification. |
+---------------------------------------------------------------------------+
| 2. C.R.S. 16-2.5-502  PEACE OFFICER CREDIBILITY DISCLOSURE                 |
|    District attorneys maintain and disclose officer credibility            |
|    information; Brady/Giglio listing follows the officer between agencies. |
+---------------------------------------------------------------------------+
| 3. C.R.S. 24-31-903  PEACE OFFICER DATABASE                                |
|    Untruthfulness findings, terminations, and resignations under           |
|    investigation are reported and must be reviewed before any new hire.    |
+---------------------------------------------------------------------------+

Brady v. Maryland, 373 U.S. 83 (1963), requires disclosure of exculpatory evidence; Giglio v. United States, 405 U.S. 150 (1972), extends it to impeachment of government witnesses. A sustained untruthfulness finding therefore becomes permanent, disclosable material that the defense receives in every future case the officer touches — which is why many Colorado agencies treat an untruthfulness sustain as a terminating offense even before POST acts.

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5. Body-Worn Camera Evidence Under C.R.S. 24-31-902

Colorado's statewide body-worn camera mandate carries evidentiary teeth that are directly tested:

• Agencies were required to provide body-worn cameras to officers who interact with the public by July 1, 2023.
• An intentional failure to activate, or tampering to conceal, creates a permissive inference that the missing recording would have reflected misconduct, and a rebuttable presumption of inadmissibility for statements captured during the unrecorded portion.
• Intentional tampering to conceal misconduct triggers POST certification suspension of at least one year, or permanent revocation where the incident involved death or serious bodily injury.

The testimony consequence is direct: an officer who cannot explain a camera gap will be cross-examined about the statutory inference in front of the jury.

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6. Demeanor Checklist

• Uniform or business attire, clean and complete; no sunglasses, no gum, no phone.
• Stand when the judge enters; address the judge as "Your Honor."
• Sit upright, hands still, feet flat; do not lean into the microphone or slouch.
• Verbal answers only — the record cannot capture a nod.
• Modulate volume so the farthest juror hears you.
• No reaction to a verdict, a ruling, or a hostile question. The jury is watching during recesses and in the hallway too.