Sleuths Who Knit Prints

"Say what you will about Mad Dog Jensen. . . He was the craftiest adversary we ever faced!"

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

'Alone for the weekend at last!'

A boy acting suspiciously

Detective and child follow footprints using magnifying glasses.

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

Optician and the PI.

"Check this wall for fingerprints."

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

'This assignment calls for a chicken.'

"The butler did it!"

Communicate with the departed via the cloud.

Top Secret

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

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

The Banana Crime

Invasive species reach Ken's sock drawer.

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

Auditing

Sherlock Holmes.

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

'Sue, the poltergeist has made us another cake.'

"Eric is fitting GPS tracking tags to his socks in a bid to learn more about their migratory habits."

Detective with a magnifying glass.

Trainspotter spotting: 'Gosh! A type 406 with original thermos.'

"I think it was done with mirrors."

Detective follows footprints leading to a pair of shoes.

Santa Claus doesn't exist because he got eaten up by zombie elves.

Detective Honky

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

Valley of Big Data

"Just as we suspected, he's running a dummy company"

Crime scene outline on the floor of a grocery store.

Inept police investigators at work solving a murder.