Matendo Ya Mitume 16:27

Yule mkuu wa gereza alipoamka na kuona milango ya gereza iko wazi, akachomoa upanga wake akataka kujiua, akidhani ya kuwa wafungwa wote wametoroka.

And the keeper of the prison awaking out of his sleep, and seeing the prison doors open, he drew out his sword, and would have killed himself, supposing that the prisoners had been fled.