Brian Carovillano, news editor for the AP in Northern California, has been promoted to the new position of regional editor for the South, the news cooperative reports. Carovillano, who has been at AP in San Francisco since 2003, oversaw investigations into the death of ex-NFL star Pat Tillman, food safety, and the ongoing credit crisis, among others. He also coordinated coverage of Barry Bonds and the BALCO steroids case, the Hewlett-Packard boardroom spying scandal, the Lake Tahoe wildfires, and numerous other national news events. Carovillano will lead AP’s news coverage in a 13-state territory from Maryland to Florida and west to Louisiana. Dixon will direct 16 sports writers in the region. A replacement has not been named.