In court.
“Defendant, what were you doing on November 22 at 10 am?
“Well …, Your Honour, I was here explaining to you what I had been doing on September 5 at 8 pm.”

Two former prisoners passing by the prison.
One of them:
” Look…, they have raised the wall with another two meters!”
“So what!?” – replies the other. – “If I wanted, I could always go inside.”