Mr. and Mrs. Curschman went to the departmental store and left their three children at home. When they returned, they were shocked to find that all their children were dead.

The police arrived at the scene of the crime and, they narrowed it down to 3 suspects: the au pair, the maid, and the butler.

Here are the statements made by the 3 suspects:

• Au pair: I was reading the newspaper.
• Maid: I was making the beds.
• Butler: I was putting away the groceries.

Based on the above mentioned statements, determine the murderer.