Sen. Blackburn (Graham Cosponsor) Introduces 287(g) Expansion Act — A Funding Incentive, Not a Federal Companion to SC’s Mandatory H.4764

On April 28, 2026 (introduction date), Sen. Marsha Blackburn (R-TN) introduced S. 4405, the “287(g) Expansion Act,” in the U.S. Senate, with Sen. Lindsey Graham (R-SC) as a cosponsor. The bill was read twice and referred to the Senate Judiciary Committee the same day. This entry documents the bill and tests — and substantially rejects — a prior internal KB scan’s framing of it as a “federal companion bill” that “explicitly” treats South Carolina’s H.4764 as a national template.

What the Record Actually Shows

Sponsorship, verified from the bill text itself (GovInfo/GPO PDF, page 1): “Mrs. BLACKBURN (for herself and Mr. GRAHAM) introduced the following bill.” Blackburn is the sponsor; Graham is a cosponsor. A secondary source (Spectrum News, April 29) headlined the story around Graham and described him as having “introduced” the bill — that framing does not match the primary bill text and appears to reflect Graham’s public role as South Carolina’s senior senator promoting the measure, not his formal legislative status. GovTrack’s cosponsor list for S. 4405 also includes a second, unrelated South Carolina legislator surnamed Graham (“Sen. Darline Graham Nordone [R-SC]”) — a reminder that “Graham” alone is not a safe identifier in South Carolina political contexts; all references above are specifically to Lindsey O. Graham, senior U.S. Senator for South Carolina since 2003.

What S. 4405 does, per the bill’s own text (Sections 1-3): it authorizes the U.S. Attorney General, in collaboration with DHS, to increase a jurisdiction’s Edward Byrne Memorial Justice Assistance Grant (JAG) allocation by up to 10 percent of that jurisdiction’s average JAG funding over the prior three years, if the jurisdiction has voluntarily entered a 287(g) agreement with ICE. It authorizes $20 million/year in appropriations for FY2027-2033. The mechanism is entirely voluntary and financial — an opt-in grant sweetener. It contains no mandate provision of any kind.

What SC H.4764 does, per its bill text: H.4764 would add SC Code Section 23-1-260, requiring that “each law enforcement agency operating a correctional facility shall enter into an agreement” with a federal immigration enforcement agency (with a narrow opt-out under Section 23-1-260(E) requiring formal findings of fiscal/operational impracticability, submitted to the state’s Illegal Immigration Enforcement Unit). The mechanism is compulsory, with SLED additionally directed to build a statewide “illegal immigration enforcement training program.”

These are not companion bills. A true federal companion is substantially identical text introduced in the other chamber to advance a single legislative package. S. 4405 and H.4764 differ in legal mechanism (funding incentive vs. statutory mandate), in scope (federal 287(g) generally vs. SC correctional-facility agencies specifically), and in operative structure. GovTrack’s own related_bills field for S. 4405 returns empty — no formal companion-bill relationship is recorded by the tracking system that maintains such links for genuine companions. “Related bill” is the accurate characterization; “companion bill” is not supported and should not be used for this pair.

“State as federal pilot” is also unsupported as stated. The only evidence connecting the two bills is temporal sequence (H.4764 passed the SC House April 2; S. 4405 was introduced April 28, roughly four weeks later) plus a secondary news account (Spectrum, April 29) that mentions H.4764 in the same story without characterizing S. 4405 as modeled on it. No source located — including Blackburn’s or Graham’s own public statements about S. 4405 — describes the federal bill as adapting South Carolina’s mandate language, using it as a template, or citing it as precedent. Graham’s quoted rationale for S. 4405 is about rewarding cooperating jurisdictions financially (“this legislation rewards law enforcement agencies who work with the federal government”), not about replicating a state mandate at the federal level. Sequence is not causation here: the more parsimonious explanation is that both bills are separate expressions of a shared, well-established Republican immigration-enforcement priority (expanding 287(g) participation), using two different tools from a short menu of available legislative moves — mandate at the state level, grant incentive at the federal level — not evidence of one text being copied into the other or of a “policy laundering” pipeline.

H.4764’s Own Status (Necessary Context)

H.4764 passed the SC House on third reading 84-26 on April 2, 2026 (second reading April 1, 85-30), was referred to Senate Judiciary April 7, 2026, and — per ABC News 4 (May 11, 2026) — remained stuck there through the end of the 2026 regular session. The outlet reported that H.4764 was not included in the sine die resolution that permitted only limited categories of post-recess business (budget, vetoes, appointments, redistricting, conference reports), with the regular session recessing May 14, 2026. H.4764 has not passed the Senate, has not been signed, and is not law. Because the SC General Assembly runs on a two-year cycle (2025-2026, the 126th General Assembly), the bill is not formally dead and could in principle be taken up again before the biennium ends, but no further floor action is recorded as of the sources reviewed here.

Why This Sequence Still Matters

Even stripped of the “companion bill” and “state pilot” framing, the sequence documents something real: two Republican federal lawmakers moved to financially reward 287(g) participation in the same month a stricter, mandatory state-level version of the same policy was working through the South Carolina legislature (and ultimately stalling). That is consistent with a broader national push to expand 287(g) — visible independently in Kentucky’s HB47 (stalled), Colorado’s HB 26-1276 (opposing direction), and multiple county-level fights tracked in the detention-pipeline KB — rather than with a specific SC-to-DC laundering pipeline. The corrected finding is a parallel, uncoordinated escalation of a shared policy goal via the available legislative tools at each level of government, not a template relationship. Claim the moves (mandate-at-state, incentive-at-federal), not a movers’-conspiracy narrative the sources do not support.

Research Gaps

• No direct statement from Blackburn or Graham’s offices was located explicitly invoking H.4764 or South Carolina’s mandate model as inspiration for S. 4405 — if one surfaces (press release, floor statement, bill-introduction remarks in the Congressional Record), it would upgrade the “policy laundering” framing from unsupported to documented.
• S. 4405’s subsequent committee action (if any) was not tracked past its April 28, 2026 introduction/referral to Senate Judiciary as of this entry.
• H.4764’s fate in any 2027 SC legislative session (if the 126th General Assembly biennium extends action) is unresolved and should be checked in a future pass.

Related Entries

• detention-pipeline/kb/industry/county-fights/charleston-county-sc-racial-profiling-ice (source KB entry with fuller H.4764 timeline and ACLU-SC advocacy detail)
• 2026-04-16–moriarty-charges-ice-agent-morgan-assault-minnesota (contemporaneous 287(g)-adjacent state/federal friction, opposite valence)

Conductor QC, 2026-08-31. The sponsorship correction is verified verbatim at the primary source. I fetched the GPO bill text directly (govinfo.gov/content/pkg/BILLS-119s4405is/html/, HTTP 200):

“IN THE SENATE OF THE UNITED STATES — April 28, 2026 — Mrs. Blackburn (for herself and Mr. Graham) introduced the following bill; which was read twice and referred to the Committee on the Judiciary”

Blackburn is the sponsor; Graham is a cosponsor. The dispatch framing and the ticket slug both said otherwise, tracing to a secondary headline. The primary text settles it.

The bill’s own title independently confirms the mechanism distinction that defeats the “companion” claim: “To authorize an increase in the Edward Byrne Memorial Justice Assistance Grant allocation for jurisdictions that enter into a 287(g) agreement.” That is a funding incentive. H.4764 is a compulsory mandate (“shall enter into an agreement”). Two different instruments — not comparable text, therefore not companion bills, and GovTrack’s related_bills field for S. 4405 is empty.

The surname trap was real and was caught. GovTrack’s cosponsor list for this bill contains a second, unrelated South Carolina legislator surnamed Graham — exactly the collision the dispatch warned about, in exactly the state where “Graham” is least safe as an identifier. The entry pins Lindsey O. Graham by bioguide ID. A surname is not an identification.

Both of the ticket’s hypotheses were tested and rejected, and the rejection is the finding. “Companion bill” fails on mechanism; “state as federal pilot” fails for want of any connective evidence beyond four weeks’ separation. No source — including the sponsors’ own statements — describes S. 4405 as modeled on H.4764. Graham’s quoted rationale is about rewarding cooperating jurisdictions financially, not replicating a state mandate.

And the replacement reading is the stronger one: two different tools from a short menu of available legislative moves — state mandate, federal incentive — pursuing a shared policy goal on parallel tracks. Claim the moves, not the movers. That survives scrutiny in a way “policy laundering pipeline” would not have.

Status stated precisely, which most bill entries get wrong. H.4764 passed the SC House 84-26 (April 2, third reading), was referred to Senate Judiciary April 7, and was excluded from the sine die resolution; the session recessed May 14. It is not law and did not pass the Senate — and because SC runs a 2025-2026 biennium, it is not formally dead either. S. 4405 was introduced and referred, with no further action found.