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"Check this wall for fingerprints."

"Evidence suggests she was working on the puzzle, got up to make tea, husband enters and puts last piece in..."

Joan Hickson

That's supposed to say garage sale!

Detective and child follow footprints using magnifying glasses.

"I'm a brilliant stalker and love photography, so I thought: why not?"

'So this is what you do while I'm away,'

"Let me through... I’m an armchair detective!"

Optician and the PI.

Private detective looking very conspicuous while the suspect is saying 'He hasn't really got the hang of discreet surveillance, has he?'

'So far we don't have any suspects.'

"I found a partial thumbprint. Let's get the heck out of here"

'He's not having an affair Ma'am: He goes out at night mainly to chase cars and eat from garbage bins...'

'This assignment calls for a chicken.'

"The butler did it!"

"I love people-watching."

'But Holmes, how did you know what the victim had for his last meal?'

'Let's go over it again: the cat is out cold, and the only clue is a little wet castle...'

"Well Inspector - that little trap you set seems to have worked!"

"That? - oh my husband - a closet bricklayer."

Top Secret

'Now that WE'VE found the secret message we will respond by not telling anyone.'

"This was no accident, Sarge! He was intentionally DROPPED!"

'If he's innocent, why does he need such a hot-shot lawyer?'

Sherlock Holmes and the case of the tea.

'Off hand, I'd say it's a head trauma caused by a blunt instrument.'

Auditing

Sherlock Holmes.

"We haven't been able to pick up his trail. We think he's using invisible ink."

"You may not like what I've dug out, but you did ask me to snoop into your husband!"

Detective with a magnifying glass.

Detective follows footprints leading to a pair of shoes.

"I think it was done with mirrors."

'The killer should not be hard to find - he has left a trail of inserts.'