Inquirer staff Posted: Thursday, January 31, 2013, 5:47 PM The son-in-law of Gov. Corbett, a narcotics officer with the Philadelphia Police Department, is under investigation by the FBI and was removed from the street today, sources said. The Philadelphia Police department confirmed that a narcotics officer was taken off the street and placed on administrative leave Thursday, following the results of an FBI and Internal Affairs investigation. The department said it would not identify the officer because he had not been arrested or formally charged. He was identified by sources as Gerold Gibson, Corbett's son-in-law. Gov. Corbett, attending a Chamber...