Bill illegal purchase , transportation of animals across state lines . Bill driven by ` ` unscrupulous dealers '' who sell animals , Humane Society says . Primates can cause serious injuries , cause death , group says . Bill comes 8 days after woman left in serious condition after chimpanzee attack .
Bill prohibits purchase , transportation of primates across state lines . Trade driven by `` unscrupulous dealers '' who sell primates , Humane Society says . Primates can inflict serious injuries , spread disease , group says . Bill comes 8 days after woman left in serious condition after chimpanzee mauling .