I know u'r brilliant but Let me see how smart you are;
Mr Emeka was found murdered on 19-6-2011 (Sunday Afternoon) inside his house,
His wife called the police; they asked everyone around a question
Police: where were you when his death happened?.
WIFE: I was sleeping upstairs when the murder took place
COOK: I was cooking in the kitchen
HOUSE GIRL: I went to take the children from school.
GARDENER: I was cutting the flowers at the backyard.
GATEMAN: Oga sent me to buy newspaper for junction.
After listening to their answers, the police arrested the murderer.
Who was the murderer then?