'Intentionally misrepresenting a matter of national security to the commander-in-chief is a dereliction of duty and should be punished.'

An Indiana woman was sentenced to 6 1/2 years in prison for financially supporting the Islamic State.

'Tens of thousands of people are believed held in Syrian prisons since the country's civil war broke out in 2011.'

A federal grand jury indicted two Islamic State militants for their role in a brutal campaign of torture and execution.

The Department of Justice repatriated American citizens detained in Syria for allegedly supporting ISIS.

The United States sent six military vehicles and fewer than 100 troops to eastern Syria after a clash with Russian forces.

The Dutch government announced it is holding Syria accountable under international law for human rights violations.

A Minnesota man who allegedly joined the Islamic State group in 2015 has been returned to the US to face a terrorism charge.

'Unsafe and unprofessional actions like this represent a breach of de-confliction protocols, committed to by the United States and Russia.'

Four American troops were injured in a collision with a Russian vehicle in eastern Syria.