; and (B) examine under oath the affiant and any witness produced by the affiant. (3) Recording testimony Testimony taken in support of a warrant shall be recorded by a court reporter or by a suitable recording device. The magistrate judge shall file the transcript or recording with the clerk, along with any related affidavit. (4) Requesting a warrant by telephonic or other reliable electronic means In accordance with rule 4.1 of the Federal Rules of Criminal Procedure, a magistrate judge may issue a warrant based on information communicated by telephone or other reliable electronic means. (e) Definitions In this section: (1) Attorney for the federal government The term attorney for the Federal Government means an attorney representing the Federal Government, as authorized by the Attorney General. (2) Crime of violence The term crime of violence has the meaning given such term in section 16 of title 18, United States Code. (3) Felony The term felony means a crime classified as a felony in the convicting jurisdiction, excluding Federal, State, or local offenses for which an essential element was the alien’s immigration status. (4) Magistrate judge The term magistrate judge means a United States magistrate judge appointed pursuant to section 631 of title 28, United States Code. . (b) Clerical amendment The table of contents for the Immigration and Nationality Act ( 8 U.S.C. 1101 et seq. ) is amended by inserting after the item relating to section 287 the following: Sec. 287A. Authorization of Federal courts to issue arrest warrants. .