Why do you think the MNI is important working in a scenario like this

MNI is the Minimum Number of Individuals required to test and validate an experiment or a case. It is used to determine the minimum number of people or individual involved in a case or an experiment.

In forensic anthropology, MNI is used to determine the least number of people required to account for the bones present. The MNI chosen is not necessarily will be right while solving a case. The investigators might night to consider different set of individuals.