CA9: Posse Comitatus Act applies to NCIS investigation of CP cases against civilians

Posse Comitatus Act applied to NCIS investigation into child pornography anywhere in the State of Washington against civilians. Thus, the district court erred in not suppressing the evidence. United States v. Dreyer, 13-30077 (9th Cir. September 12, 2014) (summary by the court):

A special agent of the Naval Criminal Investigative Service launched an investigation for online criminal activity by anyone in the state of Washington, whether connected with the military or not. The agent found evidence of a crime committed by the defendant, a civilian, in the state and turned it over to civilian law enforcement officials.

The panel reaffirmed that NCIS agents are bound by Posse Comitatus Act-like restrictions on direct assistance to civilian law enforcement, and held that the agent’s broad investigation into sharing of child pornography by anyone within the state of Washington, not just those on a military base or with a reasonable likelihood of a Navy affiliation, violated the regulations and policies proscribing direct military enforcement of civilian laws.

The panel held that the exclusionary rule should be applied, and that the district court erred in denying the defendant’s motion to suppress, because there is abundant evidence that the violation at issue has occurred repeatedly and frequently, and that the government believes that its conduct is permissible, despite prior cautions by this court and others that military personnel, including NCIS agents, may not enforce the civilian laws.

WaPo: Volokh: The posse comitatus case and changing views of the exclusionary rule by Orin Kerr:

Like my co-blogger Will Baude, I was very interested in the Ninth Circuit’s recent case, United States v. Dreyer, suppressing evidence as a violation of the Posse Comitatus Act. I think the case is interesting because it demonstrates a view of the exclusionary rule that I haven’t seen in a while.

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