To: Mabel Canary
From: Mr Big Head
  Secret Lab of Experimental Stuff
  Telephone: 0123456789
  E-mail: big.head@somewhere.ac.uk
Re: Cricket Match
Date: 11-03-2014

It has come to my attention that certain members of your team intend to bring the prototype ray gun to the forthcoming cricket match against the Department of Stripy Confectioners in order to ‘level the playing field’. Please remind them that this is against regulations. Also, the mind-controlling cookies are inappropriate for the tea interval provisions.