[S]tandards for police in conducting raids and arrests seem to fluctuate with the daily headlines. When police officials . . . make a few mistakes and break into the wrong house for searching suspects, local citizens and judges tend to demand more care in issuing search and arrest warrants. When an individual or group commits acts of violence against people and property and remains at large for a period of time, public clamor for stern enforcement increases.Id. at 23031.