1.   Supervised indoor activities are becoming popular as a way to sanitize the event and reduce fears about poisoned chocolates handed out to trick-or-treaters.

2.   Last December, he allegedly delivered poisoned Christmas chocolates to randomly chosen homes.

3.   They described plans to make poisoned chocolates, to find a germ-warfare agent that would kill only blacks and to give Mandela brain damage.

4.   Witnesses have talked of creating poisoned chocolates and clothes, lacing a letter with anthrax and releasing cholera in the water supply at a refugee camp.