Kenya

Kenyan police arrested three Shabaab operatives on April 22 in Liboi as they attempted to return to Somalia. Police said the Shabaab fighters were Sudanese, Ugandan, and Somalia nationals.

Bill Roggio is a Senior Fellow at the Foundation for Defense of Democracies and the Editor of FDD's Long War Journal.

Iraq

Islamic state

Syria

Aqap

Al shabaab

Boko Haram

Isis