'ie' words Who Stole the Cookies

Who stole the cookies? We must find the thief.

I believe the thief is the chief. He put the cookies in his briefcase.

“ Not me, ” cried the chief. I don't like cookies. Look in my briefcase. There is just a pie.

I believe the thief is the fierce lion. He put the cookies in his briefcase.

“ Not me, ” cried the fierce lion. I don't like cookies. Look in my briefcase. There is just a tie.

Then, I believe the thief is the chief's niece. She put the cookies in her briefcase.