The person police say is responsible for stabbing three children in Boston's Hyde Park neighborhood over the weekend is being held on $100,000 after his arraignment on Monday.
Fifty-one-year-old Rock Aurelien was arraigned on charges of three counts of assault and battery with a dangerous weapon and three counts of armed assault with intention to murder.
Auerlien will also have to wear a GPS monitoring device pending a release on a bail. He is not permitted to communicate with the mother of the children or the kids themselves while officials investigate the incident.
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Police say Aurelien knew the children, ages 15, 11 and 9, as a friend of their family.
Surveillance video shows the children running into a convenience store asking for help.
Fortunately, the two younger boys and the older girl are expected to be okay.