43 escaped monkeys still loose in South Carolina after worker failed to shut door New York Post What we know after 43 monkeys escaped a South Carolina research facility CBS NewsGreat primate escape: Dozens of monkeys on lam from Lowcountry breeding facility The Post and CourierMonkeys on the loose: Will escaped Yemassee primates return or will dart guns be necessary? Hilton Head Island PacketMonkeys that escaped a lab have been subjects of human research since the 1800s The Associated Press