Originally Posted by gunns
They had recently put in a security system which included having to ring a door bell to get into the building. They are wondering how he got in. I'm thinking they knew him as the son of one of the teachers and may have let him in. But have to wonder with the way they said he was dressed.
The buzzer system only goes into effect at 9;30 AM before that anyone can get in. Don't understand that one?
The killer's mother also worked at the school so they probably knew him.