From one of the books I read on the case, the Ramseys each got a separate attorney. If this is true, it likely indicates that the interests of the two Ramseys would prove to be different if push came to shove in the case (for instance, if one of them were charged). That tends to make me wonder one of them did it, and the other one knew. In that case, two attorneys really makes sense.
I agree.Also,I've read that,at least for awhile,they refused to be questioned separately.My understanding is that in such situations cops want to question the couple individually and then compare the stories.The closer the two stories are,the more likely it is that they're telling the truth.