(CNN) YouTube mom Machelle Hobson, who was accused of 30 counts of kidnapping and child abuse, died Tuesday morning in Scottsdale, Arizona, Maricopa police spokesman Ricardo Alvarado said.

Alvarado was unable to say how she died.

Hobson ran the "Fantastic Adventures" YouTube channel, which racked up more than 250 million views and featured her seven adopted children.

Machelle Hobson

With titles like "The FLOOR IS LAVA!" and "Escape The Babysitter!" each of the episodes featured the children in lightsaber battles, turning into superheroes or attempting to steal cookies.

But a March welfare check found the home was a den of abuse.

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