NEW : Suspect 's family shocked by allegations , his mother says . Jose Pimentel is accused of plotting to attack U.S. veterans , police and post offices . Pimentel said he was one hour away from finishing his first bomb , police say . He has been charged with conspiracy to use a weapon of mass destruction in interstate commerce, possession of an unregistered firearm during the commission of crime and making false statements about possessing explosives.
NEW : Suspect 's family shocked by allegations , his mother says . Jose Pimentel is accused of plotting to attack U.S. veterans , police and post offices . Pimentel said he was one hour away from finishing his first bomb , police say . `` He was not part of a larger conspiracy , '' New York Mayor Michael Bloomberg says .