Police say the children's mother found out right away, but didn't notify authorities. Instead, the boy's father, who doesn't live with the family, notified authorities recently after discovering them.
Houser isn't a licensed tattoo artist. He's charged with four counts of tattooing a minor without a parent's consent or presence.
A listed number for Houser couldn't be located and it wasn't clear if he has an attorney.
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Information from: The Herald, http://www.sharon-herald.com