; and (2) by striking subparagraph (B) and inserting the following: (B) Home studies (i) In general Except as provided under clause (ii), the Secretary of Health and Human Services shall determine whether a home study is necessary before placing a child with an individual. (ii) Required home studies A home study shall be conducted for a child— (I) who is a victim of a severe form of trafficking in persons or is a special needs child with a disability (as defined in section 3 of the Americans with Disabilities Act of 1990 ( 42 U.S.C. 12102 )); (II) who has been a victim of physical or sexual abuse under circumstances that indicate that the child’s health or welfare has been significantly harmed or threatened; (III) whose proposed sponsor presents a risk of abuse, maltreatment, exploitation, or trafficking to the child based on all available objective evidence if more than 2 other children are residing with the proposed sponsor, or if such sponsor has custody of at least 1 other unaccompanied alien child