Investigate criminal and terroristic activity involving violations of the D.C. Code and Title 18 of the U.S. Code; Collect, evaluate, interpret, and disseminate information related to the mission of the ID; Prepare and disseminate written reports including reports of investigation, various investigative assessments, and investigations bulletins; Perform a full range of comprehensive investigative functions to include planning, organizing, fact-finding, and reporting results on cases ranging from routine to highly complex; Perform protective intelligence operations, coordinating investigative and operational efforts with other USCP sworn officers and outside agency officials; Serve as a liaison with local, state, and Federal law enforcement agencies; Conduct surveillance, surveillance detection, and counter surveillance operations; Represent the USCP during investigative and law enforcement meetings. The PSB ID is responsible for investigating violations of the D.C. Code and Title 18 of the U.S. Code to include allegations of criminal activity, terroristic activity, and threats or unusual interests against Members of Congress and other statutory protectees of Congress that occur in the jurisdiction of the USCP as defined by 2 USC § 1966(a) & (f).