Top Definition
1. Primary investigator of a crime scene.

2. One who acts in the absence of the detective sergeant.

3. Liaison from an investigative unit to any other unit of a law enforcement agency.

4. A Lead Detective is not "any detective" and therfore not responsible for answering phone calls addressed as such.

5. A title that may or may not provide supervisor authority, however this aspect of the title is often clouded in ambiguity and seldom easily explained.
This scene belongs to the lead detective.
by ln68 April 21, 2009

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