SEC. 2. PROHIBITION ON CELL-SITE SIMULATOR USE. 
(a) PROHIBITION.—Chapter 205 of title 18, United 
States Code, is amended by adding at the end the fol-
lowing: 
‘‘§ 3119. Cell-site simulators 
‘‘(a) PROHIBITION OF USE.— 
‘‘(1) IN GENERAL.—Except as provided in sub-
section (d), it shall be unlawful— 
‘‘(A) for any individual or entity to know-
ingly use a cell-site simulator in the United 
States; or 
‘‘(B) for an element of the intelligence 
community to use a cell-site simulator outside 
the United States if the subject of the surveil-
lance is a United States person. 
‘‘(2) RULE
OF
CONSTRUCTION.—Nothing in 
paragraph (1) shall be construed to authorize a law 
enforcement agency of a governmental entity to use 
a cell-site simulator outside the United States. 
‘‘(b) PENALTY.—Any individual or entity that vio-
lates subsection (a)(1) shall be fined not more than 
$250,000. 
‘‘(c) PROHIBITION OF USE AS EVIDENCE.— 
‘‘(1) IN GENERAL.—Except as provided in para-
graph (2), no information acquired through the use 
of a cell-site simulator in violation of subsection 
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(a)(1), and no evidence derived therefrom, may be 
received in evidence in any trial, hearing, or other 
proceeding in or before any court, grand jury, de-
partment, officer, agency, regulatory body, legislative 
committee, or other authority of the United States, 
a State, or a political subdivision thereof. 
‘‘(2) EXCEPTION
FOR
ENFORCEMENT.—Infor-
mation acquired through the use of a cell-site simu-
lator in violation of subsection (a)(1) by a person, 
and evidence derived therefrom, may be received in 
evidence in any trial, hearing, or other proceeding 
described in paragraph (1) of this subsection relat-
ing to the alleged violation of subsection (a)(1) in 
connection with such use. 
‘‘(d) EXCEPTIONS.— 
‘‘(1) IN GENERAL.— 
‘‘(A) WARRANT.— 
‘‘(i) IN GENERAL.—Subsection (a)(1) 
shall not apply to the use of a cell-site sim-
ulator by a law enforcement agency of a 
governmental entity under a warrant 
issued— 
‘‘(I) in accordance with this sub-
paragraph; and 
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‘‘(II) using the procedures de-
scribed in, and in accordance with the 
requirements for executing and re-
turning a warrant under, the Federal 
Rules of Criminal Procedure (or, in 
the case of a State court, issued using 
State warrant and execution and re-
turn procedures and, in the case of a 
court-martial 
or 
other 
proceeding 
under chapter 47 of title 10 (the Uni-
form Code of Military Justice), issued 
under section 846 of that title and in 
accordance with the requirements for 
executing and returning such a war-
rant, in accordance with regulations 
prescribed by the President) by a 
court of competent jurisdiction. 
‘‘(ii) REQUIREMENTS.—A court may 
issue a warrant described in clause (i) (ex-
cept, with respect to a State court, to the 
extent use of a cell-site simulator by a law 
enforcement agency of a governmental en-
tity is prohibited by the law of the State) 
only if the law enforcement agency— 
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‘‘(I) demonstrates that other in-
vestigative procedures, including elec-
tronic location tracking methods that 
solely collect records of the investiga-
tive target— 
‘‘(aa) have been tried and 
have failed; or 
‘‘(bb) reasonably appear to 
be— 
‘‘(AA) unlikely to suc-
ceed if tried; or 
‘‘(BB) too dangerous; 
‘‘(II) specifies the likely area of 
effect of the cell-site simulator to be 
used and the time that the cell-site 
simulator will be in operation; 
‘‘(III) certifies that the requested 
area of effect and time of operation 
are the narrowest reasonably possible 
to obtain the necessary information; 
and 
‘‘(IV) demonstrates that the re-
quested use of a cell-site simulator 
would be in compliance with applica-
ble provisions of the Communications 
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Act of 1934 (47 U.S.C. 151 et seq.) 
and the rules of the Federal Commu-
nications Commission. 
‘‘(iii) CONSIDERATIONS.—In consid-
ering an application for a warrant de-
scribed in clause (i), the court shall— 
‘‘(I) weigh the need of the gov-
ernment to enforce the law and appre-
hend criminals against the likelihood 
and impact of any potential negative 
side effects disclosed by the govern-
ment under subparagraph (C); and 
‘‘(II) not grant a request for a 
warrant that would put public safety 
at risk or unreasonably inconvenience 
the community. 
‘‘(iv) PERIOD OF INITIAL AUTHORIZA-
TION.—No warrant described in clause (i) 
may authorize the use of a cell site simu-
lator for any period longer than is nec-
essary to achieve the objective of the au-
thorization, nor in any event for longer 
than 30 days. 
‘‘(v) EXTENSIONS.— 
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‘‘(I) IN GENERAL.—A court may 
grant extensions of a warrant de-
scribed in clause (i), but only upon 
application for an extension made in 
accordance with clause (i) and the 
court considering the factors described 
in clause (iii) and determining the re-
quirements under clause (ii) are met. 
‘‘(II) PERIOD OF EXTENSION.— 
The period of an extension of a war-
rant shall be no longer than the au-
thorizing judge determines necessary 
to achieve the purposes for which the 
extension was granted, nor in any 
event for longer than 30 days. 
‘‘(vi) 
TERMINATION
PROVISION.— 
Each warrant described in clause (i), and 
each extension thereof, shall contain a pro-
vision that the authorization to use the cell 
site simulator shall be executed as soon as 
practicable and shall terminate upon at-
tainment of the authorized objective, or in 
any event in 30 days. 
‘‘(vii) START OF 30-DAY PERIODS.— 
The 30-day periods described in clauses 
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