Sharia next?
Does a prosecutor invoking Catholic doctrine in a murder trial raise a legitimate Establishment Clause concern?
I’m Canadian and have been following the Lindsay Clancy murder trial in Massachusetts, and I’m interested in the constitutional perspective on something that happened during the prosecution’s questioning.
While questioning Lindsay Clancy’s former mother-in-law, the prosecutor established that she was an active Catholic and then asked whether she was aware that murder is considered a “mortal sin” in the Catholic Church.
The judge intervened, the defense objected, and the jury was ultimately instructed to disregard the question.
That response from the court is important, but I’m interested in the broader constitutional issue.
The prosecutor wasn’t a private citizen discussing her religious beliefs. She was acting on behalf of the Commonwealth of Massachusetts in a criminal prosecution.
So where exactly is the constitutional line?
If the prosecution is attempting to establish that a defendant understood that killing was morally wrong, can the government introduce the teachings of a particular religion as evidence of that understanding?
And if Catholic doctrine can legitimately be invoked for that purpose, would the same principle allow a prosecutor to question witnesses about whether an act is forbidden under Islamic law, Jewish law, or another religious code?
I’m not arguing that Massachusetts is somehow “enforcing Catholic law.” It clearly isn’t. I’m asking something narrower:
Is there a constitutional problem when the state itself invokes a specific religion’s doctrine as part of its effort to establish criminal culpability—even if the judge ultimately strikes the question?
From outside the United States, this was striking to watch because the First Amendment’s prohibition on government establishment of religion is one of the features of the American constitutional system that seems particularly clear.
I’d be interested in hearing from constitutional lawyers or others familiar with Establishment Clause jurisprudence. Is this primarily an evidentiary problem, a constitutional problem, prosecutorial misconduct, or simply an improper question that the trial judge adequately cured by striking it?