Can I record the police ?

Green- one party consent, you can record without telling the other party: Alabama, Alaska, Arizona, Arkansas, Connecticut, District of Columbia, Georgia, Hawaii, Idaho, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia, Wisconsin, Wyoming

Yellow-with conditions (review the law in your state): Colorado, Nevada, Vermont, Oregon

Red-all parties must consent to recording or you may be violating the law: California, Delaware, Florida, Illinois, Maryland, Massachusetts, Montana, New Hampshire, Pennsylvania

This map focuses on surreptitious recording or recording without telling the other party. It is legal to record the police in most states in public places where there is no expectation of privacy.