Which action could violate ethical standards in an investigation?

Disclosing confidential information is an action that can significantly violate ethical standards in an investigation because it undermines the trust and confidentiality that individuals expect when providing sensitive information. Ethical investigations require that confidentiality be maintained to protect the rights and privacy of individuals involved. When investigators share confidential data without consent or legal justification, they not only compromise ethical standards but also risk legal repercussions and damage to the integrity of the investigation.

In contrast, using appropriate interview techniques, following legal guidelines, and documenting all findings accurately are essential practices in conducting ethical investigations. These actions promote transparency, accountability, and respect for the subjects of the investigation. Maintaining confidentiality is a cornerstone of professional investigative practices and is crucial for upholding ethical standards.