Locked room

Dead body inside a room

Room inside a house

It is a mystery

"Door was locked" said Gumshoe

"Window was locked" said Glen Elg

"No way in or out" said Guy Eldoon

"Key in victim pocket" said Lance Armano

Impossible?

No

John Phoenix solve

Investigates

"Dylan did it"

"No" said Dylan

Uncle Wright objection

"OBJECTION see psyche lock"

Rebuttal

"Haha did do but crime is impossible, can't arrest Dylan for impossible crime"

Uncle Phoenix say "NO you did do it!"

"No. "

But then

John Phoenix turnabout

"Possible"

John Phoenix turnabout

"Crime simple Dylan killed someone and built a house around the body. The door could still be locked and key in pocket because Dylan lock door before build final wall."

Culprit breakdown

"No proof"

"Yes proof"

John Phoenix pushed the house out of the way and revealed the blood under the house

Victim was killed before house was built

Blood has Dylan fingerprint

Dylan arrested

Confetti

Yay

Yay

"Good work John Phoenix" said Edgeworth "Proved there no such thing as impossible crime. All solvable with logic by detective"

John Phoenix smirk big

Challenge?

End of story