A 1995 FBI study on abductions of pregnant woman and newborn infants found that the abductor most often is a woman who had faked a pregnancy. Out of the 145 cases analyzed for the study, 141 were committed by women, the study said.
That's what I suspected. Not exactly someone who would keep Laci alive for a week or two to learn about Scott's whereabouts, then kill Laci and frame him by dumping the body in the bay. He's toast.