Article published Feb 13, 2004 Manchester Tax-evasion teacher convicted U.S. income tax is voluntary, man says By KATHY MCCORMACK The Associated Press A tax preparer who ran hotel seminars designed to teach people how to avoid paying federal income taxes was convicted yesterday of multiple counts of preparing false returns. Steven Swan of Manchester was convicted in U.S. District Court in Concord on 15 counts of preparing false tax returns and amended returns, two counts of preparing false amended returns for himself and one count of corruptly impeding the administration of the federal tax laws. He faces three years in...