San Francisco District Attorney George Gascón announced Tuesday his office is launching a joint task force with the FBI to investigate political corruption in the city.
Gascón's announcement comes a month after the district attorney and federal law enforcement officials disclosed criminal charges against three San Francisco political insiders with ties to Mayor Ed Lee.
"We do not believe that is the end of the road," Gascón said Tuesday. "The pay-to-play system that has worked in San Francisco so well for so long has to end, and we believe this is the beginning of that process."
He did not elaborate on any additional prosecutions that might be in the works.
The creation of the task force formalizes cooperation between local prosecutors and the FBI, according to district attorney and FBI officials. It solidifies the involvement of special agents with experience and authorization to work undercover, seek court-ordered wiretaps and cultivate informants.