ARTHUR AND OTHERS v. THE REPUBLIC Criminal law and procedure—Jury trial—Misdirection—Several suspects including appellants and E remanded in custody on provisional charge of murder—All denying knowledge of alleged crime—E recanting after four months and naming appellants as murderers—Only E's evidence connecting appellants at trial—E giving three conflicting explanations for delay in making accusations—Trial judge directing jury that prosecution’s case hinging on E's evidence and "if ... satisfied with his explanation fair enough.  If not . . . consider evidence as whole and give it weight it deserves"—Jury convicting appellants—Whether direction proper—Effect of misdirection on jury—Whether conviction to be quashed.