This would be best explained by the framing effect. This is a type of bias in which people make decisions on subjects based on whether these are presented positively or negatively. When this happens, decision-makers place emphasis on the positive and negative connotations that accompany the descriptions rather than on the objective analysis of the information presented.
Cultural Intimidation is when family or friends of the victim try to discourage him or her from assisting an investigation or an inquiry. This can happen especially when they feel such assistance may end up bringing shame to them.
