Arrests Initially, the FBI had three hypotheses about responsibility for the bombing: international terrorists, possibly the same group that had carried out the World Trade Center bombing; a drug cartel, carrying out an act of vengeance against DEA agents in the building's DEA office; and anti-government radicals attempting to start a rebellion against the federal government.
Arrests Initially the FBI had three hypotheses about responsibility for the bombing international terrorists possibly the same group that had carried out the World Trade Center bombing; a drug cartel carrying out an act of vengeance against DEA agents in the building's DEA office; and anti-government radicals attempting to start a rebellion against the federal government