National Blue Alert Act of 2012

National Blue Alert Act of 2012 - Directs the Attorney General to: (1) establish a national Blue Alert communications network within the Department of Justice (DOJ) to disseminate information when a law enforcement officer is seriously injured or killed in the line of duty, in coordination with federal, state, and local Blue Alert plans; and (2) assign an existing DOJ officer to act as the national coordinator of the Blue Alert communications network.

Sets forth the duties of the national coordinator, including: (1) providing assistance to states and local governments that are using Blue Alert plans; (2) establishing voluntary guidelines for states and local governments to use in developing such plans; (3) developing protocols for efforts to apprehend suspects; (4) working with states to ensure appropriate regional coordination of various elements of the network; (5) establishing an advisory group to assist states, local governments, law enforcement agencies, and other entities in initiating, facilitating, and promoting Blue Alert plans; (6) acting as the nationwide point of contact for the development of the network and the regional coordination of Blue Alerts through the network; and (7) determining what procedures and practices are in use for notifying law enforcement and the public when a law enforcement officer is killed or seriously injured in the line of duty and which of the procedures and practices are effective and that do not require the expenditure of additional resources to implement.

Requires the guidelines to: (1) provide that appropriate information relating to a Blue Alert is disseminated to officials of law enforcement, public health, and other agencies; and (2) provide mechanisms that ensure that Blue Alerts comply with all applicable federal, state, and local privacy laws and regulations and include standards that specifically provide for the protection of the civil liberties of law enforcement officers and their families.

Directs the coordinator to annually submit a report on the coordinator's activities and the effectiveness and status of the Blue Alert plans that are in effect or being developed.