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When police find a couple murdered in their home, the investigation leads to social media; detectives discover a bizarre cyberbullying conflict with a neighboring family and the possible covert involvement of a CIA agent driven by personal vengeance.

Stay informed with the latest breaking news and headlines.

Journalist Chris Hayes; Robyn performs.

Kat Bird; Mike Merrill; Orion Levine; Matt Braunger.

Andy Hendrickson; Mark Viera; Erin Jackson; Paul Morrissey.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

The headlines one needs to know overnight... plus, a roundup of MoneyWatch, health, consumer and up-to-the-minute technology news, the latest weather, and inspiring stories of kindness and hope.

CBS News Mornings broadcasts on weekdays and offers viewers up-to-date news, comprehensive weather forecasts, and highlights from the world of sports.

News coverage to start the day.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

News coverage to start the day.

Actress Holly Hunter; actor Alan Cumming.

A couple's romance on Nantucket Island turns tragic.

Participants must guess the prices of different types of items, ranging from vehicles to electronic appliances, to win a prize.

Kyle helps Jack get leverage against Victor; Phyllis and Cane switch gears; Audra and Holden agree to a fresh start.

A father plagued by the death of his 16-year-old son tries to spare his family more heartache; alleged theft of musical equipment.

Daphne attempts to let Carter down; Deacon makes an admission to Deke; Steffy confronts Taylor about what she witnessed.

Anita sets a mystery plan into motion that involves her entire family; Chelsea and Kat clash; Andre distracts Dani; Carlton comforts Nicole; Naomi leans on a friend; Martin and Smitty try to understand what's going on with their son.

Costumed contestants compete for cash and prizes.

Cameo-oke: Kevin Jonas performs "Changing"; Michelle Monaghan; Wendi McLendon-Covey and David Alan Grier; bargains and deals with Lawrence Zarian and MorningSave; Comedy Gives Back.

A landlady accuses tenants of using her house to grow marijuana; a former mistress accuses a man of taking back a car purchased for her.

A woman sues her grandchild's mother for the balance on a car loan; a cabdriver opens his apartment to a young woman, then sues for unpaid rent.

Stay informed with the latest breaking news and headlines.

The latest world and national news.

Stay informed with the latest breaking news and headlines.

A syndicated newsmagazine includes investigative reports, interviews with newsmakers, human interest stories, and celebrity and pop-culture features. The long-running series, which premiered in 1989, is currently anchored by Eva Pilgrim.

Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).

Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend.

Honoring recipients of the prestigious Cecil B. DeMille Award and Carol Burnett Award, including curated career retrospectives, never-before-seen footage and in-depth conversations with the honorees.

While the team is tasked with protecting a witness, Matty and Olympia square off over the Wellbrexa document; Matty and Edwin contemplate whether or not to help Alfie's father.