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Just three weeks ago, CBS' "48 Hours" did a report on the murder of former Utahn Shauna Tiaffay. Tonight, it's "Dateline NBC's" turn (9 p.m., NBC/Ch. 5) turn.

Keith Morrison reports on the case. Here's NBC's description: "A beautiful Las Vegas cocktail waitress and loving mother is found murdered in her home, far from the glittering lights of the Strip, leading authorities to wonder if there was a predator at large. When detectives ultimately track down the victim's killer, it becomes clear that their investigation into her death has only just begun."

Friday on TV ...

Democratic presidential debate (6 p.m., MSNBC): Hillary Clinton, Bernie Sanders and Martin O'Malley debate; Rachel Maddow moderates.

"The Amazing Race" (7 p.m., CBS/Ch. 2): One team risks falling to the back of the pack after taking a break to sight-see.

"Last Man Standing" (7 p.m., ABC/Ch. 4): Mike is treating Kristin more like a dad than her boss.

"Undateable" (7 p.m., NBC/Ch. 5): Danny and Justin discover that Leslie's boyfriend wants to propose to her.

"Masterchef Junior" (7 p.m., Fox/Ch. 13): Two dozen young contestants compete. (Season premiere)

"Reign" (7 p.m., CW/Ch. 30): After Mary receives an urgent message from her ailing mother about the dire situation in Scotland, she finds herself looking to Francis for aid.

"Dr. Ken" (7:30 p.m., ABC/Ch. 4): Molly admits to taking a sip of beer at a party, but insists she hated it and didn't drink the rest.

"Truth Be Told" (7:30 p.m., NBC/Ch. 5): Mixed-faith couple Mitch and Tracy struggle to teach their daughter about religion.

"Hawaii Five-0" (8 p.m., CBS/Ch. 2): McGarrett's first date with Lynn on a deserted island turns deadly when they run into a mob boss who is hiding there,

"Shark Tank" (8 p.m., ABC/Ch. 4): Jimmy Kimmel and his security guard, Guillermo, bring a "mind-blowing" idea to the sharks.

"Grimm" (8 p.m., NBC/Ch. 5): The rise of the Wesen continues, and Hank adjusts to a new partner.

"Great Performances" (8 p.m., PBS/Ch. 7): A profile of Broadway legend Chita Rivera, who starred in "West Side Story," "Bye Bye Birdie" and "Chicago."

"World's Funniest" (8 p.m., Fox/Ch. 13): Terry Crews hosts. (Season premiere)

"America's Next Top Model" (8 p.m., CW/Ch. 30): During the photo shoot, the models have to pose in pitch dark in the woods.

"The Wives Did It" (8 p.m., ID): The series about polygamy and murder opens with the 1977 murder of Utah cult leader Rulon Allred.

"Blue Bloods" (9 p.m., CBS/Ch. 2): Danny and Baez investigate the theft of the famous car that was driven in a classic film.

"OnStage in America: Honky" (9 p.m., PBS/Ch. 7): This satire about race, consumerism and marketing begins with the murder of a black teen over his sneakers and includes the shoe company's president, who's white, to take an anti-racism pill.

College football (9:30 p.m., CBSSN): BYU at San Jose State

"The Knick" (11 p.m., Cinemax): Abby's worsening condition persuades Thackery to test his novel syphilis treatment.

"Satisfaction" (11 p.m., USA): Adriana introduces Grace to BDSM.

"Z Nation" (11 p.m., Syfy): Mysterious things happen during a drive through RoZwell, N.M.

Saturday on TV ...

Women's college volleyball (1 p.m., BYUtv): Pacific at BYU

College football: Utah State at New Mexico (1:30 p.m., CBSSN)' Utah at Washington (5:30 p.m., Fox/Ch. 13)

"Glen Campbell: I'll Be Me" (6 and 8 p.m., CNN): A profile of country-music singer Glen Campbell as he goes on a farewell concert tour after being diagnosed with Alzheimer's.

NBA (7 p.m., ROOT and NBATV): Memphis Grizzlies at Utah Jazz

Men's college basketball (7:30 p.m., BYUtv): Alaska at BYU

"DaVinci's Demons" (9 p.m., Starz): Leonardo investigates a horrific murder that may result in the Labyrinth being exposed.

"Doctor Who" (10 p.m., BBC America): Shapeshifting Zygons run wild in the U.K.

"Ash vs. Evil Dead" (10 and 10:30 p.m., Starz): A special agent tracks Ash; a revelation changes Kelly's life forever.

"Saturday Night Live" (10:30 p.m., NBC/Ch. 5): Donald Trump hosts; Sia is the musical guest.

"The Last Kingdom" (11 p.m., BBC America): The Danes threaten Wessex.

"The Returned" (11 p.m., Sundance): Adèle gives birth prematurely; Camille tries to help Audrey and Esteban understand what's happening.

Sunday on TV …

NFL: Oakland Raiders at Pittsburgh Steelers (11 a.m., CBS/Ch. 2); Green Bay Packers at Carolina Panthers (11 a.m., CBS/Ch. 2); Denver Broncos at Indianapolis Colts (2:25 p.m., CBS/Ch. 2); Philadelphia Eagles at Dallas Cowboys (6:20 p.m., NBC/Ch. 5)

Women's college volleyball (noon, P12N): Utah at USC

MLS playoffs: D.C United at New York Red Bulls (1 p.m., ESPN); Montreal Impact at Columbus Crew (3 p.m., ESPN); Seattle Sounders at FC Dallas (5:30 p.m., FS1); Portland Timbers at Vancouver Whitecaps (8 p.m., FS1)

"60 Minutes" (6 p.m., CBS/Ch. 2): Charlie Rose goes behind the curtain to report on "Hamilton," an unorthodox treatment of the story of America's first secretary of the Treasury, Alexander Hamilton.

"Bob's Burgers" (6:30 p.m., Fox/Ch. 13): Bob's big Thanksgiving plans are on hold when he has to go pick up an injured Gayle and gets stuck in a snowstorm.

"Madam Secretary" (7 p.m., CBS/Ch. 2): Elizabeth makes it her mission to get justice for a victim of the first American ISIS leader.

"One Upon a Time" (7 p.m., ABC/Ch. 4): Arthur may lose Excalibur when his castle is stormed.

"Home Fires" (7 p.m., PBS/Ch. 7): A desperate Alison seeks a way out of her predicament; Miriam receives both bad and good news. (Season finale)

"The Simpsons" (7 p.m., Fox/Ch. 13): Lisa befriends Harper, a new kid at school who happens to be super-rich — and who turns out to be a bully.

"Agent X" (7 and 8 p.m., TNT): In this new action series, the Vice President (Sharon Stone) deploys secret agent John Case (Jeff Hephner) to rescue the FBI director's kidnapped daughter. In the second episode, John must work with an enemy to take down a terrorist who stole nuclear warheads.

"Brooklyn Nine-Nine" (7:30 p.m., Fox/Ch. 13): Jake and Charles convince Terry to take a weekend camping trip as a much needed "babymoon,"

"The Good Wife"(8 p.m., CBS/Ch. 2): Eli plots to leak something that would damage Peter's presidential campaign but could also hurt Alicia.

"Blood & Oil" (8 p.m., ABC/Ch. 4): After leaving Gary for dead, Wick and Billy form an unlikely alliance; Hap is targeted by federal agents; Billy and Emma travel to Houston to present their proposal to Hap's ex-wife; Carla masterminds a plan to expose Hap's secret affair.

"Indian Summers" (8 p.m., PBS/Ch. 7): The discovery of a murder victim leads to the arrest of a suspect and a confession;.

"Family Guy" (8 p.m., Fox/Ch. 13): Peter gets a check in the mail from the sale of his mother's home and he remembers that all of his old porn is still in there.

"The Librarians" (6 p.m., TNT): A cave-in at an oil-rig site unleashes a shape-shifting entity that becomes stronger when a lie is told.

"Last Man on Earth" (8:30 p.m., Fox/Ch. 13): Tandy and Todd attempt to solve an end-of-the-world power problem.

"CSI: Cyber" (11 p.m., CBS/Ch. 2): When a man is killed by a driverless car while drag racing, Avery and her team must hunt down the hacker who caused the accident.

"Quantico" (9 p.m., ABC/Ch. 4): The NATS face an explosive assignment for their midterm.

"The Guilty" (9 p.m, PBS/Ch. 7): Maggie is pressured to charge her prime suspect, but has nagging doubts about his guilt. (Part 3 of 3)

"Flesh and Bone" (9 p.m., Starz): Premiere of this very dark drama about a troubled young ballet dancer.

"The Walking Dead" (10 p.m., AMC): The previously sheltered residents of Alexandria are having a tough time dealing with all that's happened.

"The Leftovers" (10 p.m., HBO): Unexpected visitors get under Nora's skin.

"Homeland" (10 p.m., Showtime): Saul orders a sweep at the station; Carrie looks to Düring for support.

"Sister Wives" (10 p.m., TLC): The Browns go to Alaska; Kody and Robyn reveal their baby's gender.

"Getting On" (11 p.m., HBO): Dr. James panics when she inadvertently meets her replacement. (Season premiere)

"The Affair" (11 p.m., Showtime): A medical emergency casts Helen and Noah's litigation in a new light; Helen makes a long-overdue decision.