Mississippi strips the ballot from people convicted of any of 22 crimes, ranging from murder to timber larceny.
Police are investigating why Martin never relinquished his firearm after it was discovered he had an aggravated assault felony on his record.
Previously, they were only allowed to call home on Christmas and Mother's Day. They could email or send letters once a week.
New York lawmakers called it "devastating news" for "thousands of sick and injured 9/11 responders and survivors" who were counting on the compensation.
The announcement came after Gucci CEO Marco Bizzarri met with Dapper Dan, a well-known African-American designer, and other community members.