From the little I've seen about the law, very rarely are things air-tight. For jurors in all trials, they often talk to them about the "CSI effect" where the a

From the little I've seen about the law, very rarely are things air-tight. For jurors in all trials, they often talk to them about the "CSI effect" where the average person assumes to convict there's tidy, irrefutable forensic evidence. I can see how parallel construction allows someone to lean on that and help blow off any possible exposure to insider knowledge to avoid the burden proof necessary to convict. White collar crimes have always been notoriously hard to prove.