Ballistics confirmed that that gun had shot them all.  However, the gun itself had never been fired.

It was also proven that the drawer hadn’t been opened for fifty years.

The victims were all under fifty.

Everyone was found dead, with no trace of violence, poison, or disease.

A gun was found in a drawer, but it was proved conclusively that it had never been fired.

The authorities were baffled to no end: the gun had everyone’s prints all over!

“Again.”

“John told me he was close to getting fired.”

“Isn’t it a bit of an overreaction?”

“Not for a job with these responsibilities!”

“But he just does nothing, all day.”

“He holds down the button that lets the Internet go.”

“I guess you’re right.”