Fred is extremely jealous that justin was selected to be the varsity quarterback on the happy valley high school football team. he meets with his friends, brian and dan, after school one day to plan his “revenge.” brian actively encourages fred to kill justin using a gun with a silencer. brian even acquire the gun from his grandfather’s basement. on the night of the shooting, only dan accompanies fred to justin’s home to carry out the killing. dan serves as a lookout while fred shoots and kills justin in his kitchen. dan and fred are on the run and need a place to hide from authorities. they arrive unannounced at the home of a friend, joe, and begs for . joe agrees to let dan and fred stay at his home for as long as necessary and does not notify the police. answer the following questions (based on the facts in the above scenario). using the traditional common law terms for complicity, identify the appropriate role and liability, if any, for fred, brian, dan and joe in the murder. are there any defenses available to them? if so, explain why or why not.