certain investigators for short: crossword clues

Matching Answer
Confidence
FEDS
95%
TMEN
60%
DETS
47%
TECS
20%
PAPERTRAILS
20%
NTSB
20%
SLEUTHS
20%
SEMIPRIVATEEYES
20%
PROBERS
20%
NARCOS
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)