Wisconsin Statutes Police Regulations (Ch. 163 to 177) § 165.70. Investigation of statewide crime

(1) The department of justice shall do all of the following:

(1m) The department may not investigate violations of or otherwise enforce s. 945.03(2m) or 945.04(2m).

(2) The attorney general shall appoint, under the classified service, investigative personnel to achieve the purposes set out in sub. (1) who shall have the powers of a peace officer. As many as are deemed necessary of the investigators so appointed shall be trained in drugs and narcotics law enforcement, or shall receive such training within one year of their appointment, and they shall assist, when appropriate, local law enforcement agencies to help them meet their responsibilities in this area.

(3) It is the intention of this section to give the attorney general responsibility for devising programs to control crime statewide in nature, importance or influence, drugs and narcotics abuse, commercial gambling other than what is described in s. 945.03(2m) or 945.04(2m), prostitution, and arson. Nothing herein shall deprive or relieve local peace officers of the power and duty to enforce those provisions enumerated in sub. (1).

(4) District attorneys, sheriffs and chiefs of police shall cooperate and assist the personnel of the department in the performance of their duties.