One reason for this was that he did not want people to know that his mother was in a hospital for insane people.

VOA: special.2010.06.13

Many believed him insane. He had gone to Kansas and fought bitterly against pro-slavery forces.

VOA: special.2009.06.18

We were over the hill before this insane movement could be discovered and stopped.

VOA: special.2010.03.27

Often, border police thought he must be insane.

VOA: special.2009.01.14

Many people thought she was insane.

VOA: special.2010.06.13

The gunman was found to be insane.

VOA: special.2010.04.29

Charles Guiteau was insane.

VOA: special.2010.04.22

(MOIVE SOUND) The more he investigates, the deeper the mystery gets and the harder it becomes to separate the sane from the insane.

VOA: standard.2010.02.27

I mean I have seen guys literally go completely insane,".

VOA: standard.2009.10.21