( CNN ) -- Law enforcement officials arrested more than 500 people , and took custody of 48 juveniles in a coordinated 29-city weekend sweep aimed at combating child prostitution , the FBI announced Monday . Task forces made up largely of state and local police officers arrested and booked what authorities said were 464 adult prostitutes , 55 pimps and 55 customers on state charges . While most faced local charges , a senior FBI official said he expected there were would be some federal charges as well . The FBI Monday said 19 searches were conducted , netting a total of $ 438,000 in cash , plus illegal drugs , cars and computers . The four dozen juveniles were recovered in the third phase of Operation Cross Country , an initiative that seeks to help child prostitutes and crack down on people who control them and patronize them . In the previous coordinated operations , authorities recovered 21 alleged child prostitutes last June and 47 in October . In 2003 the FBI , Department of Justice prosecutors , and the National Center for Missing and Exploited Children launched what was called the Innocence Lost National Initiative to address what had become a growing problem of children forced into prostitution . Many were young runaways . Officials say the 32 Innocence Lost task forces formed nationwide have now recovered about 670 children in the six years , and seized more than $ 3 million in cash . The most recent operation involved law enforcement agencies in several states including California , Alaska , Michigan , Georgia , Colorado , Oregon , Alabama , Massachusetts , Mississippi , Illinois , Texas , Florida , Ohio , Minnesota and Arizona .
Police booked 464 adult prostitutes , 55 pimps and 55 customers on state charges . FBI : 19 searches netted $ 438,000 in cash , plus illegal drugs , cars , computers . Officials say Innocence Lost task forces recovered about 670 children in 6 years .