What's next for Lindsay Clancy? A teen's murder on cruise ship. Plus, does the insanity defense work?

This week on Dateline True Crime Weekly, Andrea Canning and Blaine Alexander delve into the shocking mistrial of the Lindsay Clancy case, the latest developments in the Barry Morphew and Jared Bridegan murder trials, and an in-depth look at how the insanity defense functions in the legal system.

Lindsay Clancy Mistrial: A Jury Deadlock

The Lindsay Clancy trial, which has captivated the nation, ended in a mistrial after the jury, composed of nine women and three men, deliberated for seven days. Lindsay Clancy, a 36-year-old mother and former labor and delivery nurse, was accused of murdering her three young children. Prosecutors argued she deliberately planned their deaths, while her defense claimed she was not in her right mind, struggling with postpartum psychosis and a cocktail of medications.

Blaine Alexander, reporting from the Plymouth County Courthouse, described the intense media presence and public interest in the case. She noted that Clancy's defense attorney, Kevin Reddington, even received a box of letters from people offering support. However, there were also many conspiracy theories circulating, particularly regarding the role of Clancy's husband, Patrick. Alexander clarified that Patrick has never been accused of anything by law enforcement or prosecutors, and Clancy herself has not disputed killing her children.

The jury twice informed the judge they were deadlocked. Each time, the judge sent them back to deliberate further, emphasizing that there was no better jury and they should strive for a verdict. On Thursday, a note was sent from the foreperson stating they were 11-to-1, with one juror expressing doubt but unwilling to vote not guilty. The judge reread the definition of reasonable doubt and sent them back again, visibly upsetting Reddington, who then asked for that juror to be removed. The prosecution opposed this, and the judge sided with the prosecution.

Deliberations resumed Friday morning, but the jury ultimately sent a note stating, "It is with a heavy heart that we report we are unable to come to a unanimous decision and will not be able to." Judge Sullivan declared a mistrial. Blaine described the raw emotion in the courtroom, particularly from one juror who was clearly upset and holding back tears. The jurors later expressed their sadness and frustration, with one stating, "I wish we could have come through for Lindsay." Another juror, Kelly Farina, recounted how she started filling out the not-guilty forms when the holdout juror initially expressed reasonable doubt, only for him to retract it.