YouTube star accused of abusing her adoptive kids

Machelle Hobson, whose YouTube channel "Fantastic Adventures" has over 800,000 subscribers, was arrested following a welfare check at her home in Arizona.
2:56 | 03/21/19

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Transcript for YouTube star accused of abusing her adoptive kids
Back now with a mom who featured her adopted children on a YouTube channel that got hundreds of millions views now under arrest for abusing those kids. You would never imagine that any of this was going on by watching episodes of the show but Machelle Hobson reportedly punished them by not feeding them, locking them in closets and at times pepper spraying every week 800,000 subscribers tune in to follow the fantastic adventures of one Arizona family on YouTube. Their videos racking up nearly 250 million views in just a little over a year. Oh, yeah, you hungry. Reporter: Despite what looked like fun in their online videos? Cookies, cookies. Reporter: Police arrested Machelle Hobson on Friday charging the adoptive mother with seven counts of child abuse after her adult biological daughter Meghan seen in this video -- Oh, hi, Meghan. Reporter: -- Tipped them off saying one of her siblings told her Hobson was harming all seven her adopted children using pepper spray on them, depriving them of food and water for days and locking them in closet. We then were sent to the house to do a welfare check. One of the kids was offered water. The kid consumed three bottles of water in a short amount of time. They hadn't eaten and they had made statements that they sometimes don't eat for days. Reporter: The department of child safety removing all seven children from Hobson's home. In interviews with authorities the kids say Hobson took them out of school to film the YouTube series and disciplined them if they did not recall their lines or participate as they were directed to. Hobson denying the allegations. Neighbors say they saw no signs of the abuse. We never saw them outside. Reporter: Tawny and zeb say two of Hobson's children were brought to their home to collaborate with their family on their popular YouTube channel extreme toys TV and were shocked to hear about the alleged abuse and deleted any videos they made with them. I wish there was something I would have seen or they would have reached out. I was one-on-one with these kids and there was no sign that they were in danger. Reporter: Police also arresting Hobson's two adult biological son, Logan and Ryan hackney who often appear in the YouTube series charging them each with seven counts of failure to report the abuse of a minor. And Hobson is still behind bars on $200,000 bond. They are sons were both out of jail on no bond. So what is YouTube doing about it? It's pretty remarkable. Experts estimate she was making between 100,000 and $1.7 million off of these videos so YouTube demonetized her account initially and since her arrest they have actually removed her account entirely. Thank goodness for that. Amy. Coming up, our play of the

This transcript has been automatically generated and may not be 100% accurate.

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