The Standoff Situations topic page offers a variety of tactical tips and strategic concepts to make sure the innocents are spared, the subject is secured, and the officers go home safely. When a suspect is barricaded in place, many things must happen for a successful resolution, such as setting up outer and inner perimeters, and making contact with the subject.
A suspect in three robberies and a homicide had shot at officers as he fled from a traffic stop. Then, he held a 16-month-old baby as a shield during a 56-hour standoff. "Jackpot is good, suspect is down."