Abuse, etc., of child younger than the age of 15 by person in custodial or supervisory relationship; penalty. Creates a Class 6 felony for any person 18 years of age or older who maintains a custodial or supervisory relationship over a child younger than the age of 15 and who knowingly and intentionally on three or more occasions within a 30-day period (i) commits assault or assault and battery in violation of relevant law against such child, (ii) causes such child to be an abused or neglected child as such term is defined in relevant law, or (iii) engages in any conduct that he should know or reasonably know places such child in reasonable fear of death or bodily injury. The bill also provides that a prosecution for such offense may be commenced regardless of whether such violations have been reported to a law-enforcement officer or the alleged offender has been charged with or convicted of such alleged violations.