When documenting a suspected case of abuse, which type of injury should be photographed in black-and-white, as well as color?

The injury that should be photographed in black and white as well as color is  Bite marks.

Abuse occurs when someone is subjected to cruel and violent treatment on a regular or recurring basis. Bite

Marks Evidence is a procedure in which odontologists compare bite marks observed at a crime scene with the suspect's dental impressions.

Photographs in black and white as well as color are required for Bite Marks evidence.

Therefore the correct word for the abuse in the context is Bite Marks.

To know more about the suspected case of the abuse, refer to the link below:

link