Outside Boston, the lead investigator might be an asset for the defense. His texts about Karen Read present a real obstacle for the prosecution's case. No physical evidence of actual murder? No problem. Why a judge says Dee Ann Warner's husband should go to trial in Michigan. Dateline's Josh Mankiewicz brings us up to speed and tells us why the case got under his skin. 13 years ago John Carter went on the Today show to beg the public for help finding his fiancée, Katelyn Markham. Now, on the eve of trial, another public statement from him upends the case.

NBC10 Boston is covering Karen Read's trial.

Listen to the Dateline: Missing in America podcast.

WLWT Cincinnati has the latest on Katelyn Markham's case.

Alleged serial killer Rex Heuermann is facing more charges. A TikTok influencer charged with murder finds out if his performance on the stand was convincing. NBC San Diego's Dana Williams tells us the courtroom erupted after the verdict was read. And just up the 5 in Orange County, a legal strategy is being tested in the case of Sam Woodward, charged with a hate crime in the killing of his high school classmate, Blaze Bernstein. The state says Sam killed Blaze for being gay. Defense says it's complicated. Reporter Louis Keene brings us his observations from the trial, now in its third month.

For more of Louis Keene's reporting, read his work at The Forward.

WNBC is following Rex Heuermann's case.

Listen to Dateline's episode called "The Hunt for the Gilgo Beach Killer."