March 21, 2011 6:58 pm Pregnant Woman Killed, Found in Nature Preserve Police in Lehigh County are trying to determine who killed a pregnant woman and left her dead body in a Lehigh County nature preserve. US & World Videos 1:55 Emotional support dog stolen from 11-year-old girl in New Jersey 2:25 Young boy's memory lives on through his foundation that helps kids with cancer 8:30 Meat cleaver attack on SEPTA bus: The Lineup 4:15 Get in on the sweetness of the Honey Bash supporting brain aneurysm prevention 2:18 Wednesday's Child: Jackson