During the Lee Myung Bak government, Korean prosecutors often faced criticism over seemingly lenient prosecution of several cases, which was known to be related to President Lee's national project and his relatives. Plus, they are sometimes blamed for suspicious leniency in investigating prosecutors themselves. However, since the election of President Park, the Korean prosecution service has been making efforts on self-purification process in eliminating corruptions. They also are making endeavours in succession to the past Korean prosecution service's effective and objective processing of criminal investigations.