Answer:

sleuths

Answer	Crossword Clue
SLEUTHS	Mystery crackers
SLEUTHS	Mystery men?
SLEUTHS	Moto and Chan

SLEUTHS	Clue interpreters
SLEUTHS	Investigators
SLEUTHS	Detectives
SLEUTHS	Spade and Hammer
SLEUTHS	Magnum et al.
SLEUTHS	Gumshoes
SLEUTHS	Whodunit heroes
SLEUTHS	Case workers?

SLEUTHS	Spade, Chan, et al.
SLEUTHS	Spade and Marlowe.
SLEUTHS	Follows a clue.
SLEUTHS	Gumshoes.
SLEUTHS	Vance and Holmes
SLEUTHS	Private eyes
SLEUTHS	Holmes and Chan, for two
SLEUTHS	They follow trails

SLEUTHS	Hammer and Spade
SLEUTHS	Spade and Queen, e.g.
SLEUTHS	Case workers
SLEUTHS	Mr. and Mrs. North, e.g.
SLEUTHS	Holmes and Chan, e.g.

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.