 Across the nation, more than 63 million people were still under heat alerts yesterday, but that's down from earlier this week. This is AP News. Now to Alec Baldwin's involuntary manslaughter trial in New Mexico. The AP's Margie Zarletta has this. Testimony and actor Alec Baldwin's involuntary manslaughter trial on Thursday involved law enforcement personnel who investigated the scene after a fatal shooting of a cinematographer in 2021.