. >> but where is shannon collins? plus, jason derek brown was a mormon with a master's degree, but was he really the devil in disguise? cops say he executed a security guard in a deadly ambush and disappeared with almost $60,000. nearly 15 years on the fbi's ten most wanted list. thousands of tips. >> we went. >> over 14 15,000 tips searching for. >> him, and not one. >> was ever confirmed to be him. >> and he's still on the run. can you help catch this fugitive? thanks for joining us. u.s. army veteran shannon collins hadn't been seen or heard from for months before his brother reported him missing. his family says that shannon's wife, teresa, told them that he was traveling, and for a while, everyone believed her. well, not anymore. >> i think everyone thought there was nothing wrong. >> by all accounts, shannon collins was living a normal life in pottsville, arkansas, working as a delivery man. after being medically discharged from the national guard with his wife teresa, son josh and stepdaughter brittany, they ap