Warrants; arrests; police powers

Wis. Stat. § 29.921
in effect
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(1) Generally. The department and its wardens may execute and serve warrants and processes issued under any law enumerated in ss. 23.50 (1), 167.31, 346.19, 940.24, 941.20, 948.60, 948.605 and 948.61 in the same manner as any constable may serve and execute the process; and may arrest, with or without a warrant, any person detected in the actual violation, or whom the officer has probable cause to believe is guilty of a violation of any of the laws cited in this subsection, whether the violation is punishable by criminal penalties or by forfeiture, and may take the person before any court in the county where the offense was committed and make a proper complaint. For the purpose of enforcing any of the laws cited in this subsection, any officer may stop and board any boat and stop any vehicle, if the officer reasonably suspects there is a violation of those sections. (2) Field archaeology. The department and any of its wardens may execute and serve warrants and processes issued for violations of s. 44.47 occurring on the bed of any stream or lake in the same manner as any constable may serve and execute the process; and may arrest a person, with or without a warrant, who is detected committing such a violation, or whom the warden has probable cause to believe is guilty of a violation of s. 44.47, and may take the person before any court in the county where the violation was committed and make proper complaint. For the purpose of enforcing s. 44.47, any warden may stop and board any boat and stop any vehicle, if the warden reasonably suspects that there is a violation of s. 44.47. (3) Harassment. The department and its wardens may execute and serve warrants and processes issued for violations of s. 947.013 (1m) (b) if the victim of the harassment is intentionally selected because of the victim’s race in the same manner as any constable may serve and execute the process; and may arrest, with or without a warrant, any person detected in the actual violation, or whom the warden has probable cause to believe guilty of a violation of s. 947.013 (1m) (b), whether the violation is punishable by criminal penalties or by forfeiture and may take the person before any court in the county where the offense was committed and make a proper complaint. For the purpose of enforcing s. 947.013 (1m) (b), any warden may stop and board any boat and stop any vehicle, if the warden reasonably suspects there is a violation of s. 947.013 (1m). (4) Tribal code enforcement. If a federally recognized American Indian tribe or band consents to the enforcement of its conservation code by the department or if a federal court order authorizes or directs the enforcement, the department and its wardens may execute and serve warrants and processes issued for violations of the tribe’s or band’s conservation code that occur outside the exterior boundaries of American Indian reservations; and may arrest a person, with or without a warrant, who is detected committing such a violation, or whom the warden has probable cause to believe is guilty of such a violation, and may take the person before the tribal court of appropriate jurisdiction and make proper complaint. For the purpose of enforcing a tribe’s or band’s conservation code, any warden may stop and board any boat and may stop any vehicle, if the warden reasonably suspects there is a violation of such a conservation code. (5) Additional arrest powers. In addition to the arrest powers under sub. (1), a warden who has completed a program of law enforcement training approved by the law enforcement standards board, has been certified as qualified to be a law enforcement officer under s. 165.85 (4) (a) 1. and has complied with any applicable requirements under s. 165.85 (4) (a) 7. while on duty and in uniform or on duty and upon display of proper credentials may assist another law enforcement agency as defined under s. 165.85 (2) (bv) including making an arrest at the request of the agency, may arrest a person pursuant to an arrest warrant concerning the commission of a felony or may arrest a person who has committed a crime in the presence of the warden. If the warden makes an arrest without the presence of another law enforcement agency, the warden shall cause the person arrested to be delivered to the chief of police or sheriff in the jurisdiction where the arrest is made, along with the documents and reports pertaining to the arrest. The warden shall be available as a witness for the state. A warden may not conduct investigations for violations of state law except as authorized in ss. 23.11 (4), 29.924 (1) and 41.41 (12). A warden acting under the authority of this subsection is considered an employee of the department and is subject to its direction, benefits and legal protection. The authority granted in this section does not apply to county conservation wardens or special conservation wardens. (6) Search warrants; subpoenas. In executing search warrants and subpoenas under this chapter where the penalty for the violation is a forfeiture, the department shall use procedures which comply with ss. 968.12 and 968.135 to 968.19. (7) Dogs injuring wildlife. A warden may kill a dog found running, injuring, causing injury to, or killing, any deer or elk, or destroying game birds, their eggs, or nests, if immediate action is necessary to protect the deer, elk, or game birds, their nests or eggs, from injury or death.
Source: WI Statutes (Official Site)URL: https://docs.legis.wisconsin.gov/document/statutes/29.921Fetched: 10/7/2026