IRS e-News reports that search warrants were carried out in seven cities this week by special agents from the Internal Revenue Service. According to affidavits filed in federal court, the IRS is seeking evidence from tax-preparation businesses suspected of preparing returns on behalf of clients requesting egregious amounts involving this year’s special telephone excise tax refund.IRS criminal investigators served search warrants at tax preparation businesses in Atlanta, Ga.; Dallas, Tyler and Athens, Texas; Riverside, Calif.; Miami, Fla.; and Baton Rouge, La.