HOMELAND INSECURITY'20th hijacker' in custody?Al-Qaida member arrested, said to know about Moussaoui activities Posted: December 10, 200312:27 p.m. Eastern © 2003 WorldNetDaily.com Authorities in Minneapolis have arrested a suspected al-Qaida operative under a shroud of secrecy. A law-enforcement official told the Minneapolis Star Tribune the unnamed man is said to have knowledge of some of the activities of Zacarias Moussaoui, who was indicted Dec. 11, 2001, on six conspiracy counts for allegedly joining in a plot to hijack and crash U.S. jetliners. According to the official, the detainee has confirmed some of investigators' suspicions about Moussaoui, who was arrested while learning to...