In the Senate of the United States, 

December 12, 2024. 

Resolved, That the bill from the House of Representatives (H.R. 8663) entitled ‘‘An Act to require the Science and 

Technology Directorate in the Department of Homeland Security to develop greater capacity to detect, identify, and disrupt illicit substances in very low concentrations.’’, do pass 

with the following 

AMENDMENTS: 

Strike all after the enacting clause and insert the 

following: 

1 SECTION 1. SHORT TITLES. 

2 This Act may be cited as the ‘‘Detection Equipment 

3 and Technology Evaluation to Counter the Threat of 

4 Fentanyl and Xylazine Act of 2024’’ or the ‘‘DETECT 

5 Fentanyl and Xylazine Act of 2024’’. 
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1 SEC. 2. ENHANCING THE CAPACITY TO DETECT AND IDEN2 TIFY DRUGS SUCH AS FENTANYL AND 

3 XYLAZINE. 

4 Section 302 of the Homeland Security Act of 2002 (6 

5 U.S.C. 182) is amended— 

6 (1) in paragraph (13), by striking ‘‘and’’ at the 

7 end; 

8 (2) in paragraph (14), by striking the period at 

9 the end and inserting ‘‘; and’’; and 

10 (3) by adding at the end the following: 

11 ‘‘(15) carrying out, in coordination with the 

12 Drug Enforcement Administration, research, develop13 ment, testing, evaluation, and cost-benefit analyses to 

14 improve the safety, effectiveness, and efficiency of 

15 equipment and the effectiveness and efficiency of ref16 erence libraries for use by Federal, State, local, Trib17 al, and territorial law enforcement agencies for the 

18 accurate detection of drugs, such as fentanyl and 

19 xylazine, including— 

20 ‘‘(A) portable equipment that can detect 

21 and identify drugs with minimal or no handling 

22 of the sample; 

23 ‘‘(B) equipment that can separate complex 

24 mixtures containing low concentrations of drugs 

25 and high concentrations of cutting agents into 
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1 their component parts to enable signature extrac2 tion for field identification and detection; and 

3 ‘‘(C) technologies that use machine learning 

4 or artificial intelligence (as defined in section 

5 5002 of the National Artificial Intelligence Ini6 tiative Act of 2020 (15 U.S.C. 9401)) and other 

7 techniques to predict whether the substances in a 

8 sample are controlled substance analogues or 

9 other new psychoactive substances not yet in10 cluded in available reference libraries.’’. 

11 SEC. 3. REQUIREMENTS. 

12 In carrying out section 302(15) of the Homeland Secu13 rity Act of 2002, as added by section 2, the Under Secretary 

14 for Science and Technology shall— 

15 (1) follow the recommendations, guidelines, and 

16 best practices described in the Artificial Intelligence 

17 Risk Management Framework (NIST AI 100–1) or 

18 any successor document published by the National In19 stitute of Standards and Technology; and 

20 (2) establish the Directorate of Science and Tech21 nology’s research, development, testing, evaluation, 

22 and cost-benefit analysis priorities under such section 

23 302(15) based on the latest available information, in24 cluding specific drugs identified as threats in— 
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1 (A) the latest Homeland Threat Assessment 

2 published by the Department of Homeland Secu3 rity; 

4 (B) the latest State and Territory Report on 

5 Enduring and Emerging Threats published by 

6 the Drug Enforcement Administration; or 

7 (C) any successor documents. 

8 SEC. 4. RULE OF CONSTRUCTION. 

9 Nothing in this Act may be construed to limit the au10 thority of agencies currently managing, overseeing, or other11 wise involved in drug equipment and reference libraries. 

Amend the title so as to read: ‘‘An Act to require 

the Science and Technology Directorate in the Department of Homeland Security to develop greater capacity to 

detect and identify illicit substances in very low concentrations.’’. 

Attest: 

Secretary. 

118TH CONGRESS 

2D SESSION H.R. 8663 

AMENDMENTS