A teacher was called in by the police for accusations of child molestation

"What is your name sir?"

"Mark Stephens"

"How old are you?"

"37 years old"

"And what do you do for a living?"

"I teach school chilren"

"Come again?"

"I teach school chilren"

"Do you mean children?"

"What?"

"You said chilren, you forgot the D"

"Oh no, I put the D in children later"