The Fourth Amendment of the United States Constitution prohibits "unreasonable" searches and seizures by the government, including police officers. A search or seizure can be anything from a momentary stop to a full search and arrest. Over the years, courts have worked hard to determine what should be considered "reasonable."
When an African-American woman from Waterloo named Scottize Brown was pulled over in 2015, it had little to do with her behavior. The officer who pulled her over had run the license plate on the vehicle she was driving and learned that the owner had alleged gang affiliations.
The dashcam video of a Des Moines police stop involving two African-American men, Montray Little and Jared Clinton, has been viewed over 9 million times.