Prosecutors say the men were among more than 15 people who staged crashes in and around New London County between 2011 and 2014.
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Authorities say the scam collected $6,500 to $30,000 in insurance payouts per crash, bilking insurance companies out of an estimated $600,000.
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Prosecutors say Noze, a Haiti native and legal permanent U.S. resident who lived in Norwich, was the ringleader.
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Noze and Joseph argued there wasn’t enough evidence to support their convictions.
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