AdvertisementJordan Demands Proof Of Life From ISIS MilitantsJanuary 29, 2015Eyder PeraltafacebookEmailRelatives of Jordanian pilot Lt. Muath al-Kaseasbeh, who was captured by ISIS militants in Syria, protest Tuesday in front of the royal palace in Amman, Jordan. Jordan has suggested it might be willing to hold a prisoner exchange for his release. (EPA/LANDOV)