. >> rob rosen stein oversaw 40 convictions in the conspiracy. >> a lot of people assume when you put the criminals in jail you isolate them from the community. that isn't what happened. they have kitchen workers and maintenance people, jails are not islands unto themselves. >> how did whap inside the jail affect life outside the jail? >> if you remove gang members from the community but you put them inside the facility you haven't solved the problems. >> baltimore has one of the highest crime rate in america. that's led to overcrowded jails allowing problems to take root. >> where are we heading right now? >> going to take you down to the receiving section. >> this detention center was built before abraham lincoln took office. >> oldest working jail we know of. >> pete france is now the deputy secretary of operations for maryland corrections. a few years ago ago the retired police officer was hired to run the correction center but soon learned the corruption ran deep. >> ity facility >> the facility didn't feel right. >> at what point were you motivated to call the feds? >> we had a