The Floor is Wet
Two police officers responding to a domestic disturbance with shots fired arrive on scene. After discovering the wife had shot her husband for walking across her freshly mopped floor, they called their sergeant on his cellphone.
"It looks like we have a homicide here,” he reported.
"What happened?" asked the Sergeant.
“A woman shot her husband for stepping on the floor "She had just mopped."
The Sergeant asked, "Have you placed her under arrest?"
"No sir. The floor is still wet."