1.  But here in Houston, where he served eight years as police chief and was widely credited with revamping a troubled department, Brown is positively expansive these days.

2.  Newark officials had hoped his tenure would bring fresh crime-fighting ideas and vigorous leadership to a troubled department.

3.  Other professors were lured by the promise of rejuvenating a troubled department.

4.  Two troubled departments got new leaders.

5.  With three decades on the force and a tough management style, the towering perfectionist was seen by many as just the leader the troubled department needed.

6.  Borges said late Monday that Capt. Robert Rudewicz had been appointed to lead the troubled department.