Bryant, a Republican, says he believes the law will deter people from attacking officers.
The law expands Mississippi's existing hate crimes law, which enhances penalties for crimes committed because of a victim's race, religion, national origin or gender. The measure says it shouldn't be interpreted to limit free speech - addressing concerns about people being punished for protesting police behavior.
During earlier debates, some lawmakers raised concerns about harsh treatment of African-Americans by police officers.
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