Following the 3rd hour of TODAY’s report about a mother whose photos of her child were being exploited on Instagram, NBC’s Vicky Nguyen sat down with Antigone Davis, the global head of safety at Facebook, Instagram’s parent company, to discuss measures her team is taking to protect its youngest users.

Sgt. 1st Class Rich Stayskal is in the fight of his life with stage 4 lung cancer after a military doctor failed to see a mass during his physical. NBC’s Vicky Nguyen sat down with the 38-year-old to learn about his mission to change laws regarding medical malpractice in the military.

Former Lt. Col. Ted Blickwedel was a counselor and therapist at a VA “Vet Center” that provides mental health care to combat veterans. He talks to NBC’s Courtney Kube, and says management upped counselors' workloads which diminished the quality of care they could provide.

NBC investigative and consumer correspondent Vicky Nguyen joins TODAY with a close look at the safety record of airline food, which has limited oversight. Learn why one former worker says you should be careful when ordering that in-flight meal.

Every year there’s a race to get the must-have toys on every child’s holiday wish list. But if you see those toys at a deep discount online, be careful: It could be a scam. NBC consumer and investigative correspondent Vicky Nguyen joins TODAY to tell you what you need to know.

Mom and photographer Andrea Van Wagner is sounding the alarm after discovering photos of her 9-year-old son on a stranger’s Instagram account coupled with others of half-dressed children. She talks to NBC’s Vicky Nguyen about the security of your children’s photos when posting online.

The popular ride-sharing app Lyft has joined forces with Boston-based tech company Aptiv to offer driverless rides in Las Vegas. NBC’s Vicky Nguyen heads there to see how it all works.

Several products are now on the market that make it easy for kids to disguise and hide e-cigarettes as everyday objects such as pens, smartwatches and more. NBC’s Vicky Nguyen puts parents and teachers to the test to see if they can find the hidden vaping devices.

Third-party sellers now account for a majority of the sales on Amazon – but just what is a third-party seller, and how can you be sure they’re giving you what you pay for? NBC investigative and consumer correspondent Vicky Nguyen reports on TODAY.

NBC’s Cynthia McFadden travels to Madagascar for an exclusive report on the exploitation of children to fuel the world’s dependence on the mineral mica. The U.S. Department of Labor estimates there are over 265,000 children working in the country. Terre des Hommes estimate that over 10,000 of them are in the mica industry.

The only way these children will have a shot at life outside the mines is if companies using mica are held accountable. Cynthia McFadden took the findings of this NBC News Investigation to the manufacturers, as well as to lawmakers in Washington, D.C.

A Boston University researcher wants to know if female soccer players are at risk for CTE, a brain disease that has been found in football players.

Military doctors missed Richard Stayskal's tumor for months. Now his cancer is incurable, but an old legal precedent blocks him from suing for poor care.