Authorities first launched an investigation after Becker brought his personal computer into the mayor 's office for repair . NEW : A former mayor of Wisconsin , Racine , arraigned 164 years . NEW : District attorney : Michael Nieskes could face Tuesday in prison if convicted . Becker is charged with sex crimes , including possession of child porn . Prosecutors say he used online chat to solicit what he thought was underage girl .
NEW : A former mayor of Wisconsin , Racine , arraigned 164 years . NEW : District attorney : Michael Nieskes could face Tuesday in prison if convicted . Becker is charged with sex crimes , including possession of child porn . Prosecutors say he used online chat to solicit what he thought was underage girl .