Higgins can't quite reach the white with his cue, so he'll be using the rest.

A fool hath no delight in understanding.

Meanwhile the Law, as usual, tumbles arse about face: the killings multiply; the cops are clueless and duly arrest the wrong man.

For instance he cannot tell the time on the clock, since that depends on the relation of the direction of the hands to each other. This inability to differentiate the directions in relation to each other is a possible cause of optical agnosis. There is a direction element in the form of every object.