Law enforcement

The abbreviation for deoxyribonucleic acid, which is the genetic material present in the cells of all living organisms. DNA is the fundamental building block for an individual's entire genetic makeup. A person's DNA is the same in every cell (with a nucleus). DNA is contained in blood, semen, skin cells, tissue, organs, muscle, brain cells, bone, teeth, hair, saliva, mucus, perspiration, fingernails, urine, feces, etc.

Allow law enforcement personnel from state and tribal entities to cross jurisdictions in criminal cases. Cross deputization agreements have been used to enhance law enforcement capabilities in areas where state and tribal lands were contiguous and intermingled. Under some agreements, federal, state, county/local, and/or tribal law enforcement officers have the power to arrest Indian and non-Indian wrongdoers wherever the violation of law occurs.

A chemical compound that has deleterious effects on human health. There are a number of different types of chemical agents, and a range of uses for these compounds, from crowd control to chemical warfare.

An employee of a local law enforcement agency who is an officer sworn to carry out law enforcement duties. Examples of this class are sheriffs, deputy sheriffs, chiefs of police, city police officers, and sworn personnel of law enforcement subunits of port and transit authorities. For national level general data, this class includes campus police officers employed by of local city and community college districts. Private campus police are excluded.

The generic name for the activities of the agencies responsible for maintaining public order and enforcing the law, particularly the activities of prevention, detection, and investigation of crime and the apprehension of criminals.