Del. Code tit. 4 § 1326
The Department of Safety and Homeland Security shall: appoint, employ, or dismiss every officer or employee, not appointed by the Governor, necessary for carrying out the work of the Division, Appeals Commission, and Commissioner; establish salaries, subject to the annual appropriation in the Budget Act; and assign official titles and duties. The Department may engage the services of experts and persons engaged in the practice of a relevant profession. At the discretion of the Secretary of the Department of Safety and Homeland Security, officers and employees of the Division: shall have the police powers of constables and other police officers of the State, counties, and other subdivisions of the State; shall be conservators of the peace throughout the State; shall be eligible for certification by the Police Officer Standards and Training Commission; and may suppress all acts of violence and enforce the provisions of this chapter.
4 Del. C. § 1326