How a ship abandoned by its owner brought deadly cargo to Beirut

Ammonium nitrate that exploded on Tuesday arrived on the cargo ship Rhosus six years ago

Meeting the Michigan Militia: ‘There’s no middle ground anymore’

Collective of well-armed, locally-organised units have a deep sense of distrust in government

Jo Cox death: suspect ‘bought gun guides from neo-Nazis’

Thomas Mair spent more than €550 on books from National Alliance, US group says

US seeks death penalty over accused Charleston church shooter

Dylann Roof is accused of opening fire during Bible study killing nine people

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US executes woman despite Pope Francis plea

Georgia executes a woman for the first time in 70 years despite appeals from her children

Donald Clarke: Charleston killings raise the spectre of the T-word

‘If this isn’t terrorism, then nothing is’ tweeted Glenn Greenwald

Digging for truth among the dinosaur bones

Documentary ‘Dinosaur 13’ tells the remarkable story of the biggest T rex fossil ever found, and how one fossil hunter, Peter Larson, and his family were caught in the jaws of a legal row that ended in prison

Timeline: Terror in The US