
U.S. Representative for Indiana’s 8th district
Republican
119th Congress, two-year term
Missed 1.9% of roll calls. Chamber median 1.9%.
The full voting recordCounts roll calls where most Democrats and most Republicans voted differently, leaving out procedural votes.
How we countFrom FEC filings, Voteview roll calls and Congress.gov.
Republican. In Congress since 2025, 1 term in total.
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Bills and resolutions Messmer signed on to as a cosponsor. An original cosponsor signed on the day the bill was introduced. Source: govinfo bill status files, last updated Nov 6, 2026.
Messmer also withdrew as a cosponsor from 3 bills, not listed here.
Protection of Women and Girls in Sports Act of 2025
Sponsor W. Steube (R). Joined Jan 13, 2025. 83 cosponsors. H.R. 28 on Congress.gov
Passed the House
Protection of Women and Girls in Sports Act of 2025
This bill generally prohibits school athletic programs from allowing individuals whose biological sex at birth was male to participate in programs that are for women or girls.
Specifically, the bill provides that it is a violation of Title IX of the Education Amendments of 1972 for federally funded education programs or activities to operate, sponsor, or facilitate athletic programs or activities that allow individuals of the male sex to participate in programs or activities that are designated for women or girls. (Title IX prohibits discrimination on the basis of sex in federally funded education programs or activities, including in public elementary and secondary schools and in colleges and universities.) Under the bill, sex is based on an individual's reproductive biology and genetics at birth.
The bill does not prohibit male individuals from training or practicing with programs or activities for women or girls as long as such training or practice does not deprive any female of corresponding opportunities or benefits.
The Government Accountability Office must report on the benefits for women or girls in single-sex sports that would be lost as a result of male participation. In particular, the report must document the negative psychological, developmental, participatory, and sociological effects of male participation on girls.
Constitutional Concealed Carry Reciprocity Act of 2025
Sponsor Richard Hudson (R). Joined Jan 9, 2025. 189 cosponsors. H.R. 38 on Congress.gov(opens in a new tab)
Introduced
Constitutional Concealed Carry Reciprocity Act
This bill establishes a federal statutory framework to regulate the carry or possession of concealed firearms across state lines.
Specifically, an individual who is eligible to carry a concealed firearm in one state may carry or possess a concealed handgun (other than a machine gun or destructive device) in another state that allows its residents to carry concealed firearms.
It sets forth requirements for lawful concealed carry across state lines. The bill preempts most state and local laws related to concealed carry and establishes a private right of action for a person adversely affected by interference with a concealed-carry right established by this bill.
REMAIN in Mexico Act of 2025
Sponsor Brandon Gill (R). Original cosponsor. 110 cosponsors. H.R. 273 on Congress.gov(opens in a new tab)
Introduced
Return Excessive Migrants and Asylees to International Neighbors in Mexico Act of 2025 or the REMAIN in Mexico Act of 2025
This bill requires the Department of Homeland Security (DHS) to implement the Migrant Protection Protocols as outlined in the January 25, 2019, memo titled Policy Guidance for Implementation of the Migrant Protection Protocols.
(The protocols generally required aliens who are not clearly admissible, including those seeking asylum, arriving by land along the U.S.-Mexico border to be returned to Mexico while their immigration proceedings are pending, rather than remain in the United States. On January 21, 2021, DHS stopped applying the protocols to newly-arrived individuals.)
Laken Riley Act
Sponsor Mike Collins (R). Joined Jan 7, 2025. 54 cosponsors. H.R. 29 on Congress.gov(opens in a new tab)
Passed the House
Laken Riley Act
This bill requires the Department of Homeland Security (DHS) to detain certain non-U.S. nationals (aliens under federal law) who have been arrested for burglary, theft, larceny, or shoplifting. The bill also authorizes states to sue the federal government for decisions or alleged failures related to immigration enforcement.
Under this bill, DHS must detain an individual who (1) is unlawfully present in the United States or did not possess the necessary documents when applying for admission; and (2) has been charged with, arrested for, convicted of, or admits to having committed acts that constitute the essential elements of burglary, theft, larceny, or shoplifting.
The bill also authorizes state governments to sue for injunctive relief over certain immigration-related decisions or alleged failures by the federal government if the decision or failure caused the state or its residents harm, including financial harm of more than $100. Specifically, the state government may sue the federal government over a
• decision to release a non-U.S. national from custody;
• failure to fulfill requirements relating to inspecting individuals seeking admission into the United States, including requirements related to asylum interviews;
• failure to fulfill a requirement to stop issuing visas to nationals of a country that unreasonably denies or delays acceptance of nationals of that country;
• violation of limitations on immigration parole, such as the requirement that parole be granted only on a case-by-case basis; or
• failure to detain an individual who has been ordered removed from the United States.
FIND Act
Sponsor Jack Bergman (R). Original cosponsor. 154 cosponsors. H.R. 45 on Congress.gov(opens in a new tab)
Introduced
Firearm Industry Non-Discrimination Act or the FIND Act
This bill prohibits the federal government from entering into contracts with an entity that discriminates against firearm trade associations or businesses that deal in firearms, ammunition, or related products.
Specifically, the bill requires a federal agency to include in each contract for the procurement of goods or services awarded by the agency a clause requiring the prime contractor to certify that it (1) has no policy, practice, guidance, or directive that discriminates against a firearm entity or firearm trade association; and (2) will not adopt a policy, practice, guidance, or directive that discriminates against a firearm entity or firearm trade association during the term of the contract.
The bill establishes (1) a similar requirement with respect to subcontracts, and (2) penalties for violations.
The bill makes such prohibition inapplicable to a contract for the procurement of goods or services that is a sole-source contract.