BOSTON — Attorney General Jeff Sessions is warning that many unaccompanied minors trying to enter the U.S. across its southern border are gang members whom the country should view as “wolves in sheep's clothing.”In a speech to local and national law enforcement this afternoon in Boston, Sessions said transnational gangs like Central America-based MS-13, use what’s known as the ‘unaccompanied refugee minors’ program to “as a means by which to recruit new members.”The attorney general said the Department of Justice is working with the departments of Homeland Security and Health and Human Services to “examine the unaccompanied minors issue and the exploitation of this program by the gang members who come to this country as wolves in sheep's clothing.”The program was developed in the 1980s to assist with thousands of children in Southeast Asia without parents, according to the Department for Health and Human Services’ Office of Refugee Resettlement.