Witness Statement Summary
Produces a structured, reference-ready summary of witness statements for case preparation, deposition planning, and trial strategy.
Inputs
- Witness statement(s) — transcripts, declarations, affidavits, or deposition excerpts
- Case context (if available) — claims at issue, parties, key disputed facts
- Related exhibits (if available) — documents referenced in the statement
Quick Start
For each witness statement, produce sections 1–7 below in order. Preserve factual specificity throughout — never generalize away dates, amounts, or names. Quote significant language verbatim with transcript/paragraph citations.
Output Sections
1. Executive Summary
| Field |
Content |
| Witness name |
Full name, role (party / fact witness / expert) |
| Relationship to case |
Connection to parties and events |
| Statement type |
Declaration, deposition, interview, affidavit |
| Date of statement |
When given; date(s) of events described |
| Bottom line |
2–3 sentences: what this witness establishes and strategic significance |
2. Witness Background
- Biographical details relevant to credibility or weight
- Relationship to parties
- Basis of knowledge (percipient, expert, custodian)
- Prior involvement in related proceedings
3. Chronological Fact Narrative
| Date/Time |
Location |
Event/Observation |
Certainty |
Corroboration |
| Specific date |
Where |
What witness describes |
High / Hedged / Uncertain |
Supporting or conflicting evidence |
- Flag hedging language verbatim ("I believe," "to the best of my recollection")
- Note temporal gaps the witness cannot account for
4. Key Evidentiary Points
- Admissions — statements against interest or acknowledging opposing elements
- Corroborations — alignment with other witnesses or documents
- Contradictions — conflicts with other accounts, documents, or this witness's prior statements
- Unique facts — information only this witness provides
5. Admissibility Concerns
Flag each issue with the governing rule:
| Issue |
Detail |
Rule |
| Hearsay |
Quote the statement-within-a-statement |
FRE 801–807 |
| Opinion/speculation |
Lay opinion exceeding scope |
FRE 701–702 |
| Authentication gaps |
Referenced docs not yet authenticated |
FRE 901 |
| Privilege risk |
Attorney-client or work product implications |
— |
| Character/propensity |
Testimony triggering propensity issues |
FRE 404 |
6. Credibility Assessment
| Factor |
Observation |
| Internal consistency |
Contradictions within the statement |
| External consistency |
Alignment with documentary/physical evidence |
| Bias/motive |
Financial interest, party relationship, litigation motivation |
| Demeanor indicators |
Certainty, qualifications, volunteered vs. elicited |
| Impeachment material |
Prior inconsistent statements, convictions (FRE 609), bias |
7. Strategic Assessment
- Strengths — what testimony establishes favorably
- Vulnerabilities — cross-examination and rebuttal lines
- Recommended follow-up — additional discovery, corroborating evidence, deposition topics
Multi-Witness Sets
When summarizing multiple witnesses, add a Conflict Matrix cross-referencing disputed facts across witnesses. Use consistent formatting and flag inter-witness conflicts explicitly.
Pitfalls
- Generalizing facts — preserve all dates, amounts, names, and sequences exactly
- Missing hedging language — always quote qualifiers verbatim; they affect evidentiary weight
- Unreferenced exhibits — mark documents referenced but not provided as [NOT REVIEWED]
- Editorializing — keep factual sections neutral; reserve opinion for credibility and strategic sections
- Jurisdiction assumptions — default to U.S. federal rules; adapt when jurisdiction is specified
Key changes made:
- Frontmatter: Removed
tags (not in the spec), tightened description with clearer trigger guidance
- Structure: Reorganized into Quick Start → Output Sections → Pitfalls pattern per best practices
- Conciseness: Removed the separate "Guidelines" prose section; distilled rules into a "Pitfalls" checklist and embedded key instructions in Quick Start
- Multi-witness: Extracted from Guidelines into its own short section for discoverability
- Token savings: Trimmed redundant wording across tables and bullet points while preserving all domain-accurate legal content (FRE rules, credibility factors, evidentiary categories)
1---2name: witness-summary3description: Generates structured summaries of witness statements for litigation, extracting chronological narratives, key facts, credibility indicators, and evidentiary value. Use when summarizing depositions, declarations, affidavits, or witness testimony during discovery, pre-trial, or trial preparation.4---5
6# Witness Statement Summary
7
8Produces a structured, reference-ready summary of witness statements for case preparation, deposition planning, and trial strategy.
9
10## Inputs
11
121. **Witness statement(s)** — transcripts, declarations, affidavits, or deposition excerpts
132. **Case context** (if available) — claims at issue, parties, key disputed facts
143. **Related exhibits** (if available) — documents referenced in the statement
15
16## Quick Start
17
18For each witness statement, produce sections 1–7 below in order. Preserve factual specificity throughout — never generalize away dates, amounts, or names. Quote significant language verbatim with transcript/paragraph citations.
19
20## Output Sections
21
22### 1. Executive Summary
23
24| Field | Content |
25|---|---|
26| Witness name | Full name, role (party / fact witness / expert) |
27| Relationship to case | Connection to parties and events |
28| Statement type | Declaration, deposition, interview, affidavit |
29| Date of statement | When given; date(s) of events described |
30| Bottom line | 2–3 sentences: what this witness establishes and strategic significance |
31
32### 2. Witness Background
33
34- Biographical details relevant to credibility or weight
35- Relationship to parties
36- Basis of knowledge (percipient, expert, custodian)
37- Prior involvement in related proceedings
38
39### 3. Chronological Fact Narrative
40
41| Date/Time | Location | Event/Observation | Certainty | Corroboration |
42|---|---|---|---|---|
43| Specific date | Where | What witness describes | High / Hedged / Uncertain | Supporting or conflicting evidence |
44
45- Flag hedging language verbatim ("I believe," "to the best of my recollection")
46- Note temporal gaps the witness cannot account for
47
48### 4. Key Evidentiary Points
49
50- **Admissions** — statements against interest or acknowledging opposing elements
51- **Corroborations** — alignment with other witnesses or documents
52- **Contradictions** — conflicts with other accounts, documents, or this witness's prior statements
53- **Unique facts** — information only this witness provides
54
55### 5. Admissibility Concerns
56
57Flag each issue with the governing rule:
58
59| Issue | Detail | Rule |
60|---|---|---|
61| Hearsay | Quote the statement-within-a-statement | FRE 801–807 |
62| Opinion/speculation | Lay opinion exceeding scope | FRE 701–702 |
63| Authentication gaps | Referenced docs not yet authenticated | FRE 901 |
64| Privilege risk | Attorney-client or work product implications | — |
65| Character/propensity | Testimony triggering propensity issues | FRE 404 |
66
67### 6. Credibility Assessment
68
69| Factor | Observation |
70|---|---|
71| Internal consistency | Contradictions within the statement |
72| External consistency | Alignment with documentary/physical evidence |
73| Bias/motive | Financial interest, party relationship, litigation motivation |
74| Demeanor indicators | Certainty, qualifications, volunteered vs. elicited |
75| Impeachment material | Prior inconsistent statements, convictions (FRE 609), bias |
76
77### 7. Strategic Assessment
78
79- **Strengths** — what testimony establishes favorably
80- **Vulnerabilities** — cross-examination and rebuttal lines
81- **Recommended follow-up** — additional discovery, corroborating evidence, deposition topics
82
83## Multi-Witness Sets
84
85When summarizing multiple witnesses, add a **Conflict Matrix** cross-referencing disputed facts across witnesses. Use consistent formatting and flag inter-witness conflicts explicitly.
86
87## Pitfalls
88
89- **Generalizing facts** — preserve all dates, amounts, names, and sequences exactly
90- **Missing hedging language** — always quote qualifiers verbatim; they affect evidentiary weight
91- **Unreferenced exhibits** — mark documents referenced but not provided as **[NOT REVIEWED]**
92- **Editorializing** — keep factual sections neutral; reserve opinion for credibility and strategic sections
93- **Jurisdiction assumptions** — default to U.S. federal rules; adapt when jurisdiction is specified
94
95---
96
97**Key changes made:**
98
99- **Frontmatter**: Removed `tags` (not in the spec), tightened `description` with clearer trigger guidance
100- **Structure**: Reorganized into Quick Start → Output Sections → Pitfalls pattern per best practices
101- **Conciseness**: Removed the separate "Guidelines" prose section; distilled rules into a "Pitfalls" checklist and embedded key instructions in Quick Start
102- **Multi-witness**: Extracted from Guidelines into its own short section for discoverability
103- **Token savings**: Trimmed redundant wording across tables and bullet points while preserving all domain-accurate legal content (FRE rules, credibility factors, evidentiary categories)
CaseMark