UP TO $5 MILLION REWARD - On October 4, 2017, four U.S. Army and four Nigerien soldiers were killed when ISIS-Greater Sahara-linked militants ambushed a joint U.S.-Nigerien team near the village of Tongo Tongo, Niger. To achieve justice for those killed, the Diplomatic Security Service's Rewards for Justice program is offering a reward for information or leading to the location or identification of ISIS-GS leader Adnan Abu Walid al-Sahrawi, or information that leads to the arrest or conviction o