Defense tries to chip away at murder charges against 3 ex-officers in Tyre Nichols' death / Detective's affair exposed during wife's murder investigation / Woman fights for her brother's honor after brutal N.C. murder / Karen Read trial live updates: Defense teams slams murder investigation as 'riddled with errors' during opening statements / Murder investigation after woman stabbed / Murder investigation launched as woman found dead / Was an Oregon teen the mastermind behind her father's murder? / Court relies on circumstantial proof to give man life term for 2 murders / Further convictions in soldier murder case to be reviewed / Murder investigation launched after man shot through window