James Holmes was growing volatile well before he put on a gas mask and body armor, strapped on a rifle, shotgun, pistol and ammunition, and slipped into a midnight premiere of the Batman film "The Dark Knight Rises."
Months before Holmes opened fire on the audience on July 20, 2012, killing 12 and injuring 70 more in one of America's deadliest mass shootings, the 24-year-old doctoral student was preparing for violence.
 anyone looking for a trigger or tipping point with mass killers is usually disappointed, said J.
Sanctions against the government of longtime President Omar al-Bashir over Sudan's long-running internal conflicts limit its access to foreign aid and donations, while also hampering tourism.
Sudan's tourism industry has been devastated by economic sanctions imposed over the conflicts in Darfur and other regions.
The Chilean volcano Calbuco was quieter on Sunday after unexpectedly erupting last week and puffing out plumes of gray ash, but authorities said it could erupt again and worries about the environmental impact grew.