Conducting a criminal background check in the state of Pennsylvania is a whole lot easier than it is in many other states thanks to the existence of the Pennsylvania State Police Central Repository, a database wherein all criminal records within the state are compiled. All that one needs to conduct an online pennsylvania criminal background check is a credit card and around $10. This will allow you to run a check on the criminal records contained within the Pennsylvania State Police Central Repository, provided the records are not sealed, of course. To find information on possible records a person might have outside the state of Pennsylvania, requests must be made to the appropriate law enforcement groups outside the state.