Pursue fleeing suspects on foot or in vehicle through unfamiliar terrain; conduct visual and audio surveillance for extended periods of time; exercise independent judgement, within legal guidelines, to determine when there is reasonable suspicion to detain; subdue resisting subjects using hands and feet while employing defensive tactics, maneuvers or approved nonlethal weapons; perform searches of persons which involve touching and feeling to detect potential weapons and/or contraband; read Advice of Rights to suspects. Enter and exit vehicles quickly; conduct searches of buildings, including staircases, basements, roofs, catwalks and crawlspaces; survey outdoor areas in inclement weather including heat, cold, wind, precipitation, etc., which may involve climbing or jumping over obstacles, openings, ditches or off of elevated surfaces and crawling through confined areas; pursue suspects at high speeds in vehicles or by running; use body force to gain entrance through barriers.