NEW : Man charged `` vehemently denies the allegations against him , '' his lawyer says . No illness reported from the letters yet , the FBI says . Comment: Envelopes were addressed to President Obama , a judge , Sen. Roger Wicker .
NEW : Man charged `` vehemently denies the allegations against him , '' his lawyer says . No illness reported from the letters yet , the FBI says . Suspect Paul Kevin Curtis is charged with sending threats . Envelopes were addressed to President Obama , a judge , Sen. Roger Wicker .