Answer:

sleuthed

Answer	Crossword Clue
SLEUTHED	Played the hawkshaw
SLEUTHED	Did a Nancy Drew
SLEUTHED	Gumshoed around.

SLEUTHED	Did detective work.
SLEUTHED	Did some digging around
SLEUTHED	Did detective work

Crossword

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