Five deaths with a connection to one family. "48 Hours" contributor Nikki Battiste investigates.

Did social media posts drive an Olympic horseman to shoot his own student? "48 Hours" contributor Nikki Battiste reports.

"48 Hours" explores the double life of a once prominent lawyer and his stunning fall from grace. Murdaugh is now an admitted drug addict, thief and convicted murderer. "48 Hours" contributor Nikki Battiste reports.

New evidence discovered after Murdaugh murders reignites a cold case. "48 Hours" obtains findings of independent forensic experts. CBS News national correspondent Nikki Battiste reports.

Police in Massachusetts investigate one of their own when a detective becomes a suspect in the shooting death of his wife. "48 Hours" contributor Nikki Battiste reports.

Police have searched for 23-year-old mother Jermain Charlo since she vanished in June 2018 from Missoula, Montana. Now, six years after she disappeared, police release the last known images of the missing mom. Can this security camera video help reveal what happened to her?

A young woman is found dead in her burning home. She'd been involved with a firefighter — could he have set a fire to cover her murder? "48 Hours" contributor Nikki Battiste reports.

Morgan Metzer is attacked in her home by a masked intruder disguising his voice to sound like Batman. Her ex-husband comes to her aid, but is he a hero? "48 Hours" contributor Nikki Battiste reports.