Former Groton Navy mechanic sentenced to 210 years in prison for sexually assaulting 7 girls between 4 months and 8 years old. Videos of the assaults were uploaded to the dark web.

A Groton U.S. Navy mechanic was sentenced to 210 years in prison Tuesday after pleading guilty to sexually assaulting seven girls, between the ages of 4-months to 8-years-old, and producing child pornography.