'''Swearing in''' in the process of holding witnesses accountable for their official statements, as in a court proceeding such as a criminal or civil trial. While a witness is sworn in, everything they say must be true, or else they can be charged with [[perjury]]. | '''Swearing in''' in the process of holding witnesses accountable for their official statements, as in a court proceeding such as a criminal or civil trial. While a witness is sworn in, everything they say must be true, or else they can be charged with [[perjury]]. |