The only legal relevance as to whether race was the determining factor in the following and killing of Martin was whether it goes to establish if Zimmerman exercised a "depraved mind" regarding the killing.

CNN: Trayvon Martin shooting wasn't a case of racial profiling

One of Mr Finucane's sons, John, said that his family did not understand what led the government to "change its mind" over holding an inquiry into the killing.

BBC: Northern Ireland

Police are keeping an "open mind" as to whether the death is connected to the killing of Delaney Brown.

BBC: Luton shooting victim was related to Delaney Brown

Monday's storm brought to mind the devastating twister outbreak that ripped through the Great Plains in May of 1999, killing at least 44 people.

WSJ: Oklahoma Grapples With Tornadoes' Toll

Smallpox is also a killer of mind-boggling proportions: when the campaign to eradicate it began, in 1967, it was killing 2m people a year.

ECONOMIST: Biowarfare could be the worst terrorist threat of all