24 March 2026

A Sleep or A Scrape


As part of an irregular series of blogs looking at notable trials from this month in history, I'd like to enter Mr. Peabody's Wayback Machine. Let's revisit 1845 and the murder trial of Albert Tirrell. Although old, the case offers an opportunity to consider the roles of defense attorneys, prosecutors, and novel defenses. 

Twenty-two-year-old Albert Tirrell was no paragon of virtue. The scion of a wealthy Weymouth, Massachusetts family, he left his wife and two children to maintain a relationship with Maria Bickford, a prostitute living in a Boston brothel. Although they traveled and were constantly together, she refused to abandon her profession. Maria was successful in her work; she could afford a maid and expensive clothing. The relationship between Bickford and Tirrell was described as volatile. Maria reportedly said that she enjoyed quarreling with Albert because they had such a good time making up.  

In September 1845, local authorities charged Albert with adultery for cohabiting with Maria while married. He surrendered, posted a bond, and returned to Maria.

Albert visited her at her disreputable boarding house after her last customer on October 26th, 1845. Late that evening, the proprietor saw and heard the couple arguing. The next morning, the proprietor and his wife heard a scream and a heavy thud from the upstairs room. They heard someone running down the stairs and out the door. Maria was found on her back, a neck wound nearly cutting off her head. Someone had set fire to the bed on which she lay. At the foot of the bed was a bloody razor. A man's walking stick and vest in the room were found spattered with blood. The landlord also found a letter addressed with the initials, "A.J.T. to M.A.B."

National Police Gazette

At about the same time, Albert Tirrell arrived at a nearby stable and requested a horse. He had gotten into a little scrape, he reported. When the police tried to find Tirrell, they discovered he had fled. From Weymouth, Tirrell traveled through Vermont to Canada. There, he boarded a ship bound for Liverpool. Bad weather forced the ship back to port. He journeyed to New York and booked a boat for New Orleans. He was arrested in Louisiana.

Tirrell hired Rufus Choate to defend him. A protégé of Daniel Webster, Choate is considered one of the great American lawyers of the 19th Century. An outstanding orator, he was famous for delivering the “longest sentence known to man.” (1,219 words)

The prosecutor presented a strong circumstantial case, relying on the abovementioned facts. The witnesses, however, all resided in the brothel, and no one was beyond impeachment. Additionally, no one witnessed the murder. Still, robust evidence pointed toward Albert Tirrell.

Then Rufus Choate began his defense. His strategy was three-pronged. Maria may have killed herself, the defense argued. Choate’s associates impugned Maria’s character and suggested that suicide was “almost the natural death of persons of her character.” This theory suffered, however, from the violent nature of the injury to her neck. The defense team also presented evidence of Albert’s good character before he was ensnared by the lascivious Maria. Choate suggested another resident of the boardinghouse might have done it. And finally, the defense argued that if Tirrell had killed her, it was while he was sleepwalking.

A parade of friends and family testified to his sleepwalking habit beginning as early as age six. They elicited testimony that the somnambulism had increased in frequency and manifested bizarre behaviors. These episodes, according to his family, included window-smashing and threatening his brother with a knife. The dean of the Harvard Medical School testified that a person in a somnambulistic state could rise, dress, kill, set a fire, and escape.  

It is an essential element of most crimes that the defendant intended to commit the offense. As a society, we criminalize behavior that a person knows or should know is wrong. But if they don't understand, then punishment serves no purpose. Usually, this applies to young children or to the insane.

Harvard Art Museum
On March 27th, 1845, Rufus Choate gave his closing argument to the jury. He began by telling them he did not intend to take up much of their time. He then talked for five hours non-stop. The court recessed for a meal, and when the court resumed, Choate continued for another hour and a half. He spent much of the postprandial argument focused on somnambulism.

The jury deliberated for two hours before acquitting Tirrell.

The strategy worked again when the prosecutor tried to convict Tirrell of arson for setting the room on fire.

Tirrell later wrote to Rufus Choate asking the lawyer to return half his legal fee. He argued that he shouldn't have to pay so much for a case where it had been too easy to persuade the jury of his innocence.

I do not want to leave the blog with the impression that somnambulism serves as a get-out-of-jail card. According to an internet search, the defense has been tried perhaps sixty times. Most of the time, it has not been successful. Sleep scientists say it would not work today; Tirrell's behaviors, especially the flight, cannot be explained by sleepwalking. Even Tirrell did not get away completely. He went to prison for the original adultery charge. The judge refused to dismiss the case and sentenced him to three years.

Besides an interesting fact pattern, the case highlights the roles of the prosecutor and the defense. The government must prove each element. The government needs a clear message to explain the defendant’s actions. It has a problem, even today, when a victim comes from a marginal or ostracized part of the community.

The defense, meanwhile, succeeds when it undermines even one necessary element of the government's case. To do this, sometimes an astute lawyer presents a unified theory; other times, he or she scattershoots. Sometimes, the defense merely picks at the government's case, testing its reliability and challenging the credibility of the witnesses on which it rests. In other cases, the attorney prosecutes the defense—putting forward an alternative theory that explains the evidence and exonerates the client.

Choate tried all of the above. He picked at and maligned the government's evidence. He highlighted matters the prosecutor had not brought up--chiefly an eyewitness. He also put forward several alternatives. Choate's chief theory, the one that keeps the murder case of Albert Tirrell in the public eye, was the defense of somnambulism. A novel defense that in this case worked. 

Albert Tirrell's murder trial is the March Trial of the Month.

Now go get a good night's sleep.

Until next time. 

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