With as many as three girlfriends, multiple cell phones to stay in touch and a checking account hidden from his wife, Scott Peterson had a busy secret life, a source close to the double-murder investigation revealed. Investigators also have evidence that Peterson - accused of killing his pregnant wife, Laci, and their unborn son, named Conner - made a "significant purchase" of items that could have been used to anchor a body, a second source familiar with the case said. Investigators need to find the items to "connect all the dots," that source said. The bodies of Laci and Conner...