`` Please know that we will be eternally grateful , '' his mother says . Deanna Hackney is a freelance journalist and author . He had been held for just five days by ISIS militants . the Islamic State peacekeepers in the Middle East facilitated his handover .
`` Please know that we will be eternally grateful , '' his mother says . Peter Theo Curtis is a freelance journalist and author . He had been held for nearly two years by Islamist militants . U.N. peacekeepers in the Golan Heights facilitated his handover .