After that, the International Association of Chiefs of Police made a code of police conduct publication and rigorously trained police officers. In 1991, Rodney King was brutally beaten by multiple police officers of the Los Angeles Police Department. The officers involved were expected to have been following the "blue code". They claimed that the beating was lawful, but it was not until a videotape of the incident was released when it was confirmed that the officers had collectively fabricated their stories.