A criminal illegal alien accused of throwing a baseball-sized rock into a New Jersey school bus and fracturing the skull of an 8-year-old girl was placed on an Immigration and Customs Enforcement detainer, the Department of Homeland Security said earlier this week. The DHS, citing local reports, said the school bus was traveling on the New Jersey Turnpike to Yeshivat Noam — a local Jewish day school — after a field trip at Liberty Science Center on Jan. 7. The Bogota (New Jersey) Police Department also charged him for aggravated assault, criminal trespassing-defiant, criminal trespassing-peering, and criminal mischief-damage property, DHS said. RELATED: Minnesota’s ‘worst of the worst’: DHS highlights arrests of repeat offenders, violent criminals in Operation Metro SurgeDHS said Garcia-Morales entered the United States on an unknown date. “Violently targeting a school bus full of children is extremely wicked and heinous,” said Assistant Secretary Tricia McLaughlin, who called the suspect a "monster."