Wisconsin Statutes Criminal Procedure (Ch. 967 to 980) § 968.29. Authorization for disclosure and use of intercepted wire, electronic or oral communications

(1) Any investigative or law enforcement officer who, by any means authorized by ss. 968.28 to 968.37 or 18 USC 2510 to 2520, has obtained knowledge of the contents of any wire, electronic or oral communication, or evidence derived therefrom, may disclose the contents to another investigative or law enforcement officer only to the extent that the disclosure is appropriate to the proper performance of the official duties of the officer making or receiving the disclosure.

(2) Any investigative or law enforcement officer who, by any means authorized by ss. 968.28 to 968.37 or 18 USC 2510 to 2520, has obtained knowledge of the contents of any wire, electronic or oral communication or evidence derived therefrom may use the contents only to the extent the use is appropriate to the proper performance of the officer's official duties.

(4) No otherwise privileged wire, electronic or oral communication intercepted in accordance with, or in violation of, ss. 968.28 to 968.37 or 18 USC 2510 to 2520, may lose its privileged character.

(5) When an investigative or law enforcement officer, while engaged in intercepting wire, electronic or oral communications in the manner authorized, intercepts wire, electronic or oral communications relating to offenses other than those specified in the order of authorization or approval, the contents thereof, and evidence derived therefrom, may be disclosed or used as provided in subs. (1) and (2). The contents and any evidence derived therefrom may be used under sub. (3) when authorized or approved by the judge who acted on the original application where the judge finds on subsequent application, made as soon as practicable but no later than 48 hours, that the contents were otherwise intercepted in accordance with ss. 968.28 to 968.37 or 18 USC 2510 to 2520 or by a like statute.