# Draft Proffer Agreement Cooperating Witness > Proffer agreement and accompanying cover memorandum for a cooperating witness in a federal investigation, covering direct use protection, derivative use risk analysis, false statement exposure, and the strategic framework for deciding whether to proffer. - Skill: `finchipaiorg/draft-proffer-agreement-cooperating-witness` (Agent Skill) - Install (CLI): `npx skillmds@latest add finchipaiorg/draft-proffer-agreement-cooperating-witness` - Raw SKILL.md: https://api.skillmd.com/api/skills/finchipaiorg/draft-proffer-agreement-cooperating-witness/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: FinchipAIOrg (https://skillmd.com/u/finchipaiorg) - Updated: 2026-09-22 - Page: https://skillmd.com/skills/finchipaiorg/draft-proffer-agreement-cooperating-witness --- # Skill: Draft Proffer Agreement and Cover Memorandum — Cooperating Witness ## 1. Subject-matter triage - Treat this as a two-document drafting task: the proffer agreement is the primary deliverable, and the cover memorandum is secondary. - Draft the agreement first, confirm it is complete and usable, then draft the memo as the client-facing explanation of the deal’s practical effect. - Identify all participants and procedural facts from the source file set before drafting: client, defense counsel, government attorney, session date, and session location. - If the source materials contain only one proffer session, say so and draft to that single session; if more than one, address each separately. ## 2. Failure modes the skill is correcting - The agreement is treated as a generic cooperation letter rather than a precise proffer arrangement with defined session terms, signatories, and protection boundaries. - The cover memorandum blurs direct-use protection, derivative-use risk, and immunity, creating the false impression that a proffer session is broad testimonial protection. - The memo understates the central strategic risk: the government may still use the proffer as a roadmap to witnesses, documents, and investigative leads even if it cannot use the statement itself at trial. - False-statement exposure is minimized or omitted; the client is not warned that incompleteness, evasion, or minimization can destroy the practical value of the session and create independent exposure. - The draft fails to present a decision framework that helps the client weigh cooperation credit against the risk of educating the government without securing equivalent protection. - The agreement omits standard carveouts for false statements, inconsistent testimony, and material breach. - The deliverables are written as summaries of what should happen instead of operative documents that can be signed and used. ## 3. Legal frameworks / domain conventions that apply - A proffer agreement is typically a letter agreement from the government to defense counsel, countersigned by the witness and defense counsel. - The agreement should state the session details and define what statements are covered. - Standard proffer protection is narrow: it usually bars direct use of the statements in the government’s case-in-chief, but it is not the same as transactional immunity or full use-and-derivative-use immunity. - A formal immunity grant is governed by 18 U.S.C. §§ 6002–6003 and is distinct from a standard proffer agreement. - Federal false-statement exposure may arise under 18 U.S.C. § 1001 when a witness makes materially false statements in a federal matter, even in an informal proffer setting. - If the witness later testifies inconsistently, the government may preserve impeachment, rebuttal, or breach-based arguments as provided by the agreement and applicable evidentiary rules. - The agreement should track the practical custom of federal white-collar practice: concise protection language, express exceptions, and signature blocks in the expected order. - The memorandum should reflect attorney-client privilege and should not read like a negotiation letter to the government. ## 4. Analytical scaffolds 1. **Session facts**: Confirm who attended, where the proffer occurred or will occur, and when it occurred or will occur. 2. **Agreement mechanics**: Ensure the letter memorializes the covered session and the parties bound by it. 3. **Protection scope**: State precisely what the government may not do with proffer statements, using direct-use language that matches the source template where possible. 4. **Carveouts**: Include standard exceptions for false statements, inconsistent testimony, breach, or other express conditions from the source materials. 5. **Derivative-use explanation**: In the memo, explain in plain English that the main risk is not just direct use at trial but the government’s ability to use the proffer as a lead generator. 6. **Immunity distinction**: Make clear that broader use/derivative-use immunity comes only through a formal immunity process, not by assumption. 7. **False-statement warning**: Advise that truthfulness must be complete and careful; avoid any suggestion that selective disclosure is safe. 8. **Decision framework**: Balance the possible benefits of proffering against the risk of revealing defense information before knowing whether cooperation will be credited. ## 5. Vertical / structural / temporal relationships - Put the government’s protection promise first, then the express exceptions, then the signature blocks. - If the source materials reflect a sequence, describe it in time order: investigation posture, decision to proffer, session, potential follow-up, and any later testimony or breach consequences. - Tie the memo’s advice to the immediate decision point: whether to enter the session at all under the actual protection offered. - When multiple statements or sessions are involved, distinguish what is covered now from what may arise later under inconsistent testimony or breach scenarios. ## 6. Output structure conventions - Deliver two separate .docx documents: the signed-form proffer agreement and the privileged cover memorandum. - The proffer agreement should be in formal letter format, beginning with counsel-facing salutation and ending with signature blocks for the government attorney, the client, and defense counsel. - The agreement must be operative, not explanatory; include the session identification and the protection/exceptions language in draft contract form. - The cover memorandum should be addressed to the client, identify the legal effect of the agreement, and explain the practical risks and benefits in plain language. - Use controlled legal citations for propositions relied on: cite 18 U.S.C. §§ 6002–6003 for immunity, 18 U.S.C. § 1001 for false statements, and any other authority relied on by the source materials or governing federal practice. - Keep the memorandum balanced and decision-oriented; do not advocate for proffering without first stating the limits of the protection actually being offered. - Before finishing, confirm in the draft that the agreement file is complete and contains operative clauses, and that the memo follows only after the agreement is drafted.