Tyler, TX – A virtually unnoticed federal arrest here this Spring of a well-educated Pakistani man caught trying to buy illegal silencers, firearms and C-4 explosives has set off a nationwide FBI counterterrorism investigation, CBS-11 has learned. The investigation centers on whether Osama Haroon Satti, 35, came to Tyler on behalf of a terrorist cell hoping to arm for a plot to rob and murder wealthy Jews and other non-Muslims on the West Coast, sources familiar with the FBI investigation tell CBS-11. Satti is currently in federal custody on charges of buying an illegal silencer and handgun. Federal prosecutors connected...