Investigation.

(b) The investigation shall determine:

(1) The nature, extent, and cause of the abuse or neglect, if any;

(2) If mental injury, as defined in § 16-2301(31) , is suspected, an assessment of the suspected mental injury by a physician, a psychologist, or a licensed clinical social worker;

(3) If the suspected abuse or neglect is determined to be substantiated:

(A) The identity of the person responsible for the abuse or neglect;

(B) The name, age, sex, and condition of the abused or neglected child and all other children in the home;

(C) The conditions in the home at the time of the alleged abuse or neglect;

(D) Whether there is any child in the home whose health, safety, or welfare is at risk; and

(E) Whether any child who is at risk should be removed from the home or can be protected by the provision of resources, such as those listed in §§ 4-1303.03 and 4-1303.03a .