Federal authorities shut down Silk Road last year, though a new Internet marketplace under the same name was launched in November
"As our op (operational) tempo and as our activities have intensified, so, too, has the cost," an official says.
Islamic State militants and their supporters "have demonstrated the intent and capability to target American citizens overseas," an official said
Ray Albers, a 20 year veteran, leaves after video surfaces of him threatening protesters
Several plaintiffs claim they were assaulted and illegally arrested during the civil unrest that followed the shooting death of Michael Brown in Ferguson, Missouri