It's not legal in California: > Under [California Vehicle Code 31], it is a crime to knowingly give false information to a peace officer while the officer is p

It's not legal in California: > Under [California Vehicle Code 31], it is a crime to knowingly give false information to a peace officer while the officer is performing his duties https://www.wklaw.com/providing-false-information-to-a-police-officer https://www.wklaw.com/providing-false-information-to-a-polic... > No person shall give, either orally or in writing, information to a peace officer while in the performance of his duties under the provisions of this code when such person knows that the information is false. https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=VEH&sectionNum=31 https://leginfo.legislature.ca.gov/faces/codes_displaySectio... Despite being part of the vehicle code, this applies outside of traffic situations as far as I can tell.