Being complete in what you are
doing.
Leaving no stone unturned.
To
wit :
"Aha! I
have you now,
Sherlock!"
"Not quite,
Moriarty. You forget that my good
partner Watson is not here. In fact, he is up on the
bell tower, putting a
sniper's
lasersight on your
forehead. It seems that
you were not thorough,
most regrettably."
BANG! "
Jolly good shot!"