It is contended that the prisoner at the bar could not be a principal, he being in Brown Street, because he could not there render assistance; and you are called upon to determine this case, according as you may be of opinion whether Brown Street was, or was not, a suitable, convenient, well-chosen place to aid in this murder. This is not the true question. The inquiry is not whether you would have selected this place in preference to all others, or whether you would have selected it at all. If the parties chose it, why should we doubt about it? How do we know the use they intended to make of it, or the kind of aid that he was to afford by being there? The question for you to consider is, Did the defendant go into Brown Street in aid of this murder? Did he go there by agreement, by appointment with the perpetrator?[4] If so, every thing else follows. The main thing, indeed the only thing, is to inquire whether he was in Brown Street by appointment with Richard Crowninshield. It might be to keep general watch; to observe the lights, and advise as to time of access; to meet the murderer on his return, to advise him as to his escape; to examine his clothes, to see if any marks of blood were upon them; to furnish exchange of clothes, or new disguise, if necessary; to tell him through what streets he could safely retreat, or whether he could deposit the club in the place designed; or it might be without any distinct object, but merely to afford that encouragement which would proceed from Richard Crowninshield's consciousness that he was near. It is of no consequence whether, in your opinion, the place was well chosen or not, to afford aid; if it was so chosen, if it was by appointment that he was there, it is enough. Suppose Richard Crowninshield, when applied to to commit the murder, had said, "I won't do it unless there can be some one near by to favor my escape; I won't go unless you will stay in Brown Street." Upon the gentleman's argument, he would not be an aider and abettor in the murder, because the place was not well chosen; though it is apparent that the being in the place chosen was a condition, without which the murder would never have happened.
You are to consider the defendant as one in the league, in the combination to commit the murder. If he was there by appointment with the perpetrator, he is an abettor. The concurrence of the perpetrator in his being there is proved by the previous evidence of the conspiracy. If Richard Crowninshield, for any purpose whatsoever, made it a condition of the agreement, that Frank Knapp should stand as backer, then Frank Knapp was an aider and abettor; no matter what the aid was, or what sort it was, or degree, be it ever so little; even if it were to judge of the hour when it was best to go, or to see when the lights were extinguished, or to give an alarm if any one approached. Who better calculated to judge of these things than the murderer himself? and if he so determined them, that is sufficient.
Now as to the facts. Frank Knapp knew that the murder was that night to be committed; he was one of the conspirators, he knew the object, he knew the time. He had that day been to Wenham to see Joseph, and probably to Danvers to see Richard Crowninshield, for he kept his motions secret. He had that day hired a horse and chaise of Osborn, and attempted to conceal the purpose for which it was used; he had intentionally left the place and the price blank on Osborn's books. He went to Wenham by the way of Danvers; he had been told the week before to hasten Dick; he had seen the Crowninshields several times within a few days; he had a saddle-horse the Saturday night before; he had seen Mrs. Beckford at Wenham, and knew she would not return that night. She had not been away before for six weeks, and probably would not soon be again. He had just come from Wenham. Every day, for the week previous, he had visited one or another of these conspirators, save Sunday, and then probably he saw them in town. When he saw Joseph on the 6th, Joseph had prepared the house, and would naturally tell him of it; there were constant communications between them; daily and nightly visitation; too much knowledge of these parties and this transaction, to leave a particle of doubt on the mind of any one, that Frank Knapp knew the murder was to be committed this night. The hour was come, and he knew it; if so, and he was in Brown Street, without explaining why he was there, can the jury for a moment doubt whether he was there to countenance, aid, or support; or for curiosity alone; or to learn how the wages of sin and death were earned by the perpetrator?
Here Mr. Webster read the law from Hawkins. 1 Hawk. 204, Lib. 1, ch. 32 sec. 7.
The perpetrator would derive courage, and strength, and confidence, from the knowledge that one of his associates was near by. If he was in Brown Street, he could have been there for no other purpose. If there for this purpose, then he was, in the language of the law, present, aiding and abetting in the murder.
His interest lay in being somewhere else. If he had nothing to do with the murder, no part to act, why not stay at home? Why should he jeopard his own life, if it was not agreed that he should be there? He would not voluntarily go where the very place would cause him to swing if detected. He would not voluntarily assume the place of danger. His taking this place proves that he went to give aid. His staying away would have made an alibi. If he had nothing to do with the murder, he would be at home, where he could prove his alibi. He knew he was in danger, because he was guilty of the conspiracy, and, if he had nothing to do, would not expose himself to suspicion or detection.
Did the prisoner at the bar countenance this murder? Did he concur, or did he non-concur, in what the perpetrator was about to do? Would he have tried to shield him? Would he have furnished his cloak for protection? Would he have pointed out a safe way of retreat? As you would answer these questions, so you should answer the general question, whether he was there consenting to the murder, or whether he was there as a spectator only.
One word more on this presence, called constructive presence. What aid is to be rendered? Where is the line to be drawn, between acting, and omitting to act? Suppose he had been in the house, suppose he had followed the perpetrator to the chamber, what could he have done? This was to be a murder by stealth; it was to be a secret assassination. It was not their purpose to have an open combat; they were to approach their victim unawares, and silently give the fatal blow. But if he had been in the chamber, no one can doubt that he would have been an abettor; because of his presence, and ability to render services, if needed. What service could he have rendered, if there? Could he have helped him to fly? Could he have aided the silence of his movements? Could he have facilitated his retreat, on the first alarm? Surely, this was a case where there was more of safety in going alone than with another; where company would only embarrass. Richard Crowninshield would prefer to go alone. He knew his errand too well. His nerves needed no collateral support. He was not the man to take with him a trembling companion. He would prefer to have his aid at a distance. He would not wish to be encumbered by his presence. He would prefer to have him out of the house. He would prefer that he should be in Brown Street. But whether in the chamber, in the house, in the garden, or in the street, whatsoever is aiding in actual presence is aiding in constructive presence; any thing that is aid in one case is aid in the other.[5]
If, then, the aid be anywhere, so as to embolden the perpetrator, to afford him hope or confidence in his enterprise, it is the same as though the person stood at his elbow with his sword drawn. His being there ready to act, with the power to act, is what makes him an abettor.
Here Mr. Webster referred to the cases of Kelly, of Hyde, and others, cited by counsel for the defendant, and showed that they did not militate with the doctrine for which he contended. The difference is, in those cases there was open violence; this was a case of secret assassination. The aid must meet the occasion. Here no acting was necessary, but watching, concealment of escape, management.