The state attorney general has joined the many agencies investigating San Diego's financial practices, drawn in by questions about the city's handling of special departments that raise revenue through fees charged to residents. State officials met with City Attorney Michael Aguirre yesterday, three days after Aguirre acknowledged that employees in the office, when under the supervision of former City Attorney Casey Gwinn, falsified timecards to charge expenses to different departments. The state will handle the investigation, said Gary Schons, a senior assistant attorney general, to avoid a conflict of interest because Gwinn now works for District Attorney Bonnie Dumanis. Gwinn...